tikzlings (7apr19)

git-svn-id: svn://tug.org/texlive/trunk@50841 c570f23f-e606-0410-a88d-b1316a301751

17 files changed, 1022 insertions, 73 deletions

diff --git a/Master/texmf-dist/tex/latex/tikzlings/tikzlings-addons.sty b/Master/texmf-dist/tex/latex/tikzlings/tikzlings-addons.sty
index 649b2dc3841..fb15b687196 100644
--- a/Master/texmf-dist/tex/latex/tikzlings/tikzlings-addons.sty
+++ b/Master/texmf-dist/tex/latex/tikzlings/tikzlings-addons.sty
@@ -11,12 +11,12 @@
 % Released under the LaTeX Project Public License v1.3c or later
 % See http://www.latex-project.org/lppl.txt
 %
-% Version 0.1
-% Nov 9, 2018   
+% Version 0.2
+% April 7, 2019   
 %
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 \ProvidesPackage{tikzlings-addons}
- [2018/11/09 v0.1 Draw additional items for the tikzlings]
+ [2019/04/07 v0.2 Draw additional items for the tikzlings]
 
 \RequirePackage{tikz}
 \usetikzlibrary{patterns} % for the wizard hat
@@ -57,6 +57,7 @@
 \newif\ifthing@icecream
 \newif\ifthing@milkshake
 \newif\ifthing@wine
+\newif\ifthing@cocktail
 % Sport %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 \newif\ifthing@cricket
 \newif\ifthing@hockey
@@ -72,6 +73,9 @@
 \newif\ifthing@crozier
 \newif\ifthing@shovel
 \newif\ifthing@pickaxe
+\newif\ifthing@umbrella
+\newif\ifthing@umbrellaclosed
+\newif\ifthing@handbag
 
 \tikzset{%
   %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
@@ -81,7 +85,7 @@
   %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
   /thing/.search also={%
     /tikz,/pgf,
-    /bear,/coati,/koala,/marmot,/mouse,/owl,/penguin,/snowman,/mole,/sloth,
+    /bear,/coati,/koala,/marmot,/mouse,/owl,/penguin,/snowman,/mole,/sloth,/pig,/cat,/hippo,/rhino,/panda,
   },
   %/thing/.unknown/.code=\relax, % bad idea, prevents tikz/pgf keys
   /thing/.cd,
@@ -186,7 +190,7 @@
   pizza/.code             = \thing@pizzatrue,
   davidlikespineapplepizza/.code = \thing@davidlikespineapplepizzatrue
                             \thing@speechtrue 
-                            \def\thing@speech{\scalebox{\yscalefactor}{\scalebox{0.9}{\tiny ih, che schifo!}}},
+                            \def\thing@speech{\scalebox{\scalingfactor}{\scalebox{0.9}{\tiny ih, che schifo!}}},
   david likes pineapple pizza/.forward to = /thing/davidlikespineapplepizza,
   cheese/.code            = \thing@cheesetrue
                             \def\thing@cheese{#1},
@@ -216,6 +220,7 @@
   wine/.code              = \thing@winetrue
                             \def\thing@wine{#1},  
   wine/.default           = red!70!black,  
+	cocktail/.code          = \thing@cocktailtrue,   
   %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
   %
   % Sport
@@ -276,19 +281,31 @@
   shovel/.default         = gray,
   pickaxe/.code           = \thing@pickaxetrue
                             \def\thing@pickaxe{#1},
-  pickaxe/.default        = gray,                            
+  pickaxe/.default        = gray,     
+  umbrella/.code          = \thing@umbrellatrue
+                            \def\thing@umbrella{#1},
+  umbrella/.default       = cyan,      
+	umbrellaclosed/.code    = \thing@umbrellaclosedtrue
+	                          \def\thing@umbrellaclosed{#1},
+	umbrellaclosed/.default = cyan,    
+	umbrella closed/.forward to = /thing/umbrellaclosed,
+	handbag/.code           = \thing@handbagtrue
+                            \def\thing@handbag{#1},
+	handbag/.default        = red!70!black,  
 }
 
 \def\thing@draw{%
+%
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 %
 % store the current scale factor
-% from https://tex.stackexchange.com/a/86900/36296
+% from https://github.com/samcarter/tikzlings/issues/3#issuecomment-461373494
 %
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-\pgfgettransformentries{\myxscale}{\@tempa}{\@tempa}{\myyscale}{\@tempa}{\@tempa}
-\gdef\yscalefactor{\myyscale}
-\gdef\xscalefactor{\myxscale}
+\pgfgettransformentries{\tmpscaleA}{\tmpscaleB}{\tmpscaleC}{\tmpscaleD}{\tmp}{\tmp}%
+\pgfmathsetmacro{\scalingfactor}{sqrt(abs(\tmpscaleA*\tmpscaleD-\tmpscaleB*\tmpscaleC))}%
+\pgfmathsetmacro{\xscalefactor}{\tmpscaleA}
+\pgfmathsetmacro{\yscalefactor}{\tmpscaleD}
 %
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 %
@@ -458,7 +475,7 @@
   \fill[\thing@graduate,rotate=-15] (0.44,2.1) ellipse (0.37 and 0.1);  
   \fill[\thing@graduate,rotate=-15] (0.07,2.1) rectangle (0.81,2.3);
   \fill[\thing@graduate] (0.3,2.25) -- (1.05,2.35) -- (1.7,1.95) -- (0.92,1.85) -- cycle;
-  \fill[\thing@tassel,rounded corners=\yscalefactor*1] (1.12,1.89) -- (1.01,2.1) -- (1.09,2.11) -- (1.2,1.9) -- (1.2,1.3) -- (1.12,1.3) -- cycle;
+  \fill[\thing@tassel,rounded corners=\scalingfactor*1] (1.12,1.89) -- (1.01,2.1) -- (1.09,2.11) -- (1.2,1.9) -- (1.2,1.3) -- (1.12,1.3) -- cycle;
   \fill[\thing@tassel] (1.16,1.3) ellipse (0.06 and 0.12);
   \end{scope}
 \fi
@@ -489,9 +506,9 @@
 % signpost %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 \ifthing@signpost
   \begin{scope}[scale=1.7,xshift=-26,yshift=-7]
-  \fill[\thing@signcolour, rounded corners=\yscalefactor*1, rotate=-20] (0.8,0.75) rectangle (0.9,1.75);
-  \fill[\thing@signcolour, rounded corners=\yscalefactor*1, rotate=-20] (0.4,1.7) rectangle (1.3,2.4);
-  \fill[\thing@signback, rounded corners=\yscalefactor*1, rotate=-20] (0.45,1.75) rectangle (1.25,2.35);
+  \fill[\thing@signcolour, rounded corners=\scalingfactor*1, rotate=-20] (0.8,0.75) rectangle (0.9,1.75);
+  \fill[\thing@signcolour, rounded corners=\scalingfactor*1, rotate=-20] (0.4,1.7) rectangle (1.3,2.4);
+  \fill[\thing@signback, rounded corners=\scalingfactor*1, rotate=-20] (0.45,1.75) rectangle (1.25,2.35);
    \node[rotate=-20*\yscalefactor/\xscalefactor, color=white] at (1.5,1.65) {\thing@signpost};
    \end{scope}
 \fi
@@ -565,7 +582,7 @@
 % baguette %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 \ifthing@baguette
   \begin{scope}[xshift=-38,yshift=7,rotate=-20]
-  \fill[\thing@baguette!70!white, rounded corners=\yscalefactor*4, rotate=-30] (0.4,0.72) rectangle (0.7,2.0);
+  \fill[\thing@baguette!70!white, rounded corners=\scalingfactor*4, rotate=-30] (0.4,0.72) rectangle (0.7,2.0);
   \fill[\thing@baguette!80!black, rotate=5] (1.44,1.1) ellipse (0.1 and 0.03) (1.30,0.9) ellipse (0.1 and 0.03) (1.16,0.7) ellipse (0.1 and 0.03) (1.02,0.5) ellipse (0.1 and 0.03);
   \end{scope}
 \fi
@@ -630,6 +647,19 @@
   \end{scope}
 \fi
 %
+% cocktail %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+\ifthing@cocktail
+\begin{scope}[xshift=-26,yshift=3]
+  \fill[cyan!10!white, rotate=-10] (0.8,0.50) ellipse (0.17 and 0.05);
+  \fill[cyan!10!white, rotate=-10] (0.8,0.55) ellipse (0.12 and 0.03);
+  \fill[cyan!10!white, rotate=-10] (0.8,0.7) ellipse (0.03 and 0.2);
+  \fill[cyan!10!white] (0.92,0.6) -- (0.75,0.9) -- (1.18,0.83) -- cycle;
+  \fill[gray!60!white] (0.928,0.64) -- (0.85,0.77) -- (1.08,0.77) -- cycle;
+  \fill[green!40!brown!60!white] (0.94,0.71) circle (0.04);
+  \fill[red!80!black] (0.94,0.72) circle (0.01);
+  \end{scope}
+\fi
+%
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 %
 % Sport
@@ -639,16 +669,16 @@
 % cricket bat %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 \ifthing@cricket
   \begin{scope}[xshift=-26]
-  \fill[\thing@cricket, rounded corners=\yscalefactor*2, rotate=-30] (0.4,1.2) rectangle (0.7,2.2);
-  \fill[\thing@cricket, rounded corners=\yscalefactor*1, rotate=-30] (0.5,0.8) rectangle (0.6,1.3);
+  \fill[\thing@cricket, rounded corners=\scalingfactor*2, rotate=-30] (0.4,1.2) rectangle (0.7,2.2);
+  \fill[\thing@cricket, rounded corners=\scalingfactor*1, rotate=-30] (0.5,0.8) rectangle (0.6,1.3);
   \end{scope}
 \fi
 %
 % Hockey stick %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 \ifthing@hockey
   \begin{scope}[xshift=-22]
-  \fill[\thing@hockey, rounded corners=\yscalefactor*1, rotate=-30] (0.5,0.6) rectangle (0.6,2.1);
-  \fill[\thing@hockey, rounded corners=\yscalefactor*3] (0.2,0.2) rectangle (0.85,0.4);
+  \fill[\thing@hockey, rounded corners=\scalingfactor*1, rotate=-30] (0.5,0.6) rectangle (0.6,2.1);
+  \fill[\thing@hockey, rounded corners=\scalingfactor*3] (0.2,0.2) rectangle (0.85,0.4);
   \end{scope}
 \fi
 %
@@ -685,16 +715,16 @@
 % rollingpin %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 \ifthing@rollingpin
   \begin{scope}[xshift=-30,yshift=2]
-  \fill[\thing@rollingpin, rounded corners=\yscalefactor*2, rotate=-60] (-0.18,0.85) rectangle (0.08,1.75);
-  \fill[\thing@rollingpin, rounded corners=\yscalefactor*1, rotate=-60] (-0.1,0.65) rectangle (0.0,1.95);
+  \fill[\thing@rollingpin, rounded corners=\scalingfactor*2, rotate=-60] (-0.18,0.85) rectangle (0.08,1.75);
+  \fill[\thing@rollingpin, rounded corners=\scalingfactor*1, rotate=-60] (-0.1,0.65) rectangle (0.0,1.95);
   \end{scope}
 \fi
 %
 % lightsaber %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 \ifthing@lightsaber
   \begin{scope}[xshift=-26]
-  \fill[\thing@lightsaber, rounded corners=\yscalefactor*1, rotate=-30] (0.5,0.9) rectangle (0.6,2.5);
-  \fill[gray!80!black, rounded corners=\yscalefactor*1, rotate=-30] (0.47,0.7) rectangle (0.63,1.2);
+  \fill[\thing@lightsaber, rounded corners=\scalingfactor*1, rotate=-30] (0.5,0.9) rectangle (0.6,2.5);
+  \fill[gray!80!black, rounded corners=\scalingfactor*1, rotate=-30] (0.47,0.7) rectangle (0.63,1.2);
   \end{scope}
 \fi
 %
@@ -712,15 +742,15 @@
     (1.2447,0.748) .. controls (1.1427,0.8982) and (1.0721,0.8892) .. 
     (1.0646,1.024) .. controls (1.0541,1.1714) and (1.2642,1.1654) .. 
     (1.2492,1.386) .. controls (1.3093,1.3110) and (1.4383,1.2705) .. 
-    (1.4338,1.025) -- cycle;;
+    (1.4338,1.025) -- cycle;
   \fill[white!50!yellow, scale=0.4, xshift=53.5, yshift=45.3]     
     (1.4338,1.025) .. controls (1.4308,0.8877) and (1.3468,0.8997) .. 
     (1.2447,0.748) .. controls (1.1427,0.8982) and (1.0721,0.8892) .. 
     (1.0646,1.024) .. controls (1.0541,1.1714) and (1.2642,1.1654) .. 
     (1.2492,1.386) .. controls (1.3093,1.3110) and (1.4383,1.2705) .. 
-    (1.4338,1.025) -- cycle;;
-  \fill[\thing@torch,rounded corners=\yscalefactor*1] 
-      (1.1,0.96) -- (0.77,0.25) -- (0.83,0.25) -- (1.3,0.86) -- cycle;
+    (1.4338,1.025) -- cycle;
+  \fill[\thing@torch,rounded corners=\scalingfactor*1]
+    (1.1,0.96) -- (0.77,0.25) -- (0.83,0.25) -- (1.3,0.86) -- cycle;
   \fill[\thing@torch,rotate=-28] (0.62,1.32) ellipse (0.2 and 0.08);
   \end{scope}
 \fi%
@@ -770,4 +800,25 @@
 	\fill[\thing@pickaxe] (-0.77, 0.57) .. controls (-0.14, 0.25) and (-0.02, 0.21) .. (0.60, 0.02) .. controls (-0.12, 0.03) and (-0.22, 0.10) .. (-0.77, 0.57) -- cycle;
 \fi
 %
+% umbrella %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+\ifthing@umbrella
+	\path (-0.8, 0.4) rectangle (1.2200000000000002, 2.7);
+	\begin{pgfinterruptboundingbox}
+		\fill[gray] (-0.3078, 0.5942) -- (-0.2574, 0.6103) .. controls (-0.1724, 0.3884) and (-0.1145, 0.4523) .. (-0.0667, 0.6543) -- (-0.0666, 0.6545) -- (-0.0665, 0.6547) .. controls (0.0347, 1.0671) and (0.2906, 1.9565) .. (0.2906, 1.9565) -- (0.3415, 1.9419) .. controls (0.3415, 1.9419) and (0.0855, 1.0519) .. (-0.0151, 0.6423) -- (-0.0152, 0.642) .. controls (-0.076, 0.3633) and (-0.2126, 0.3312) .. (-0.3078, 0.5942) -- cycle;
+		\fill[\thing@umbrella] (-0.7815, 1.9927) .. controls (-0.6441, 2.1962) and (-0.3163, 2.072) .. (-0.3239, 1.824) .. controls (-0.1602, 2.0111) and (0.1891, 1.9216) .. (0.1685, 1.6915) .. controls (0.3000, 1.8765) and (0.6639, 1.7626) .. (0.6607, 1.5356) .. controls (0.7865, 1.7271) and (1.135, 1.695) .. (1.1626, 1.4589) .. controls (1.4996, 2.5771) and (-0.4356, 3.2631) .. (-0.7815, 1.9927) -- cycle;
+	\end{pgfinterruptboundingbox}
+\fi
+%
+% closed umbrella %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+\ifthing@umbrellaclosed
+  \fill[gray] (0.5401, 0.7996) -- (0.4872, 0.8019) .. controls (0.484, 1.0395) and (0.4076, 0.9995) .. (0.293, 0.8264) -- (0.2929, 0.8262) -- (0.2928, 0.8261) .. controls (0.0555, 0.4739) and (0.1223, 0.5608) .. (0.1223, 0.5608) -- (0.0795, 0.592) .. controls (0.0795, 0.592) and (0.0131, 0.5057) .. (0.2488, 0.8554) -- (0.2489, 0.8556) .. controls (0.4022, 1.0963) and (0.5414, 1.0793) .. (0.5401, 0.7996) -- cycle;
+ 	\fill[\thing@umbrellaclosed] (-0.1173, 0.2263) -- (0.0038, 0.7188) -- (0.1548, 0.7494) -- (0.152, 0.9231) -- (0.3945, 0.7529) -- (0.2218, 0.6885) -- (0.2465, 0.5566) -- cycle;
+\fi
+%
+% handbag %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+\ifthing@handbag
+	\fill[\thing@handbag] (0.5189, 0.1751) -- (-0.1913, 0.3097) -- (-0.0315, 0.7086) -- (0.5168, 0.6152) -- cycle;
+	\fill[\thing@handbag!70!black] (0.4143, 0.4354) .. controls (0.5139, 0.9811) and (0.1204, 1.0719) .. (0.0134, 0.5155) -- (0.0957, 0.4996) .. controls (0.1753, 0.8952) and (0.3949, 0.8883) .. (0.3324, 0.4536) -- cycle;
+\fi
+%
 }
\ No newline at end of file
diff --git a/Master/texmf-dist/tex/latex/tikzlings/tikzlings-bears.sty b/Master/texmf-dist/tex/latex/tikzlings/tikzlings-bears.sty
index 33367c1b045..c84c0a2b0a9 100644
--- a/Master/texmf-dist/tex/latex/tikzlings/tikzlings-bears.sty
+++ b/Master/texmf-dist/tex/latex/tikzlings/tikzlings-bears.sty
@@ -11,12 +11,12 @@
 % Released under the LaTeX Project Public License v1.3c or later
 % See http://www.latex-project.org/lppl.txt
 %
-% Version 0.1
-% Nov 9, 2018    
+% Version 0.2
+% April 7, 2019  
 %
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 \ProvidesPackage{tikzlings-bears}
- [2018/11/09 v0.1 Draw teddy bears in TikZ]
+ [2019/04/07 v0.2 Draw teddy bears in TikZ]
 
 \RequirePackage{tikz}
 \RequirePackage{tikzlings-addons}
@@ -63,6 +63,17 @@
 \path (-0.8, 0.0) rectangle (0.8, 2.13);
 %
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%
+% store the current scale factor
+% from https://github.com/samcarter/tikzlings/issues/3#issuecomment-461373494
+%
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+\pgfgettransformentries{\tmpscaleA}{\tmpscaleB}{\tmpscaleC}{\tmpscaleD}{\tmp}{\tmp}%
+\pgfmathsetmacro{\scalingfactor}{sqrt(abs(\tmpscaleA*\tmpscaleD-\tmpscaleB*\tmpscaleC))}%
+\pgfmathsetmacro{\xscalefactor}{\tmpscaleA}
+\pgfmathsetmacro{\yscalefactor}{\tmpscaleD}
+%
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 % 
 % switch between 2D and 3D, from
 % https://chat.stackexchange.com/transcript/message/45991801#45991801
@@ -112,6 +123,6 @@
 \bear@part@draw[\bear@body!30!black] (0.155, 1.7) circle (0.05); 
 %
 % Mouth %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-\fill[\bear@body!30!black] (0.145, 1.38) arc [start angle=-20, end angle=-160, radius=0.16] -- (-0.14, 1.38) -- (-0.14, 1.38) arc [start angle=-160, end angle=-20, radius=0.144] -- cycle;
+\draw[\bear@body!30!black,line width=\scalingfactor*0.4pt] (0.145, 1.38) arc [start angle=-20, end angle=-160, radius=0.16];
 %
 }
\ No newline at end of file
diff --git a/Master/texmf-dist/tex/latex/tikzlings/tikzlings-cats.sty b/Master/texmf-dist/tex/latex/tikzlings/tikzlings-cats.sty
new file mode 100644
index 00000000000..40787eabe50
--- /dev/null
+++ b/Master/texmf-dist/tex/latex/tikzlings/tikzlings-cats.sty
@@ -0,0 +1,232 @@
+% !TeX root = ./examples/cat.tex
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%
+% The tikzlings-cats package (part of the tikzlings collection)
+% A package to bring little cats into tikz
+% Maintained by samcarter
+%
+% Project repository and bug tracker:
+% https://github.com/samcarter/tikzlings
+%
+% Released under the LaTeX Project Public License v1.3c or later
+% See http://www.latex-project.org/lppl.txt
+%
+% Version 0.2
+% April 7, 2019     
+%
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+\ProvidesPackage{tikzlings-cats}
+ [2019/04/07 v0.2 Drawing cats in TikZ]
+
+\RequirePackage{tikz}
+\RequirePackage{tikzlings-addons}
+
+\RequirePackage{ifluatex}
+\RequirePackage{ifxetex}
+
+\ifluatex
+  \let\pdfrandomseed\randomseed
+\fi
+
+\ifxetex
+  \pgfmathsetseed{\time}
+\else
+  \pgfmathsetseed{\number\pdfrandomseed}
+\fi
+
+\newcommand*{\cat}[1][]{%
+  \begin{scope}%
+    \tikzset{/cat/.cd,#1}%
+    \ifcat@schroedinger
+      \pgfmathparse{int(random(0,1))}
+      \let\cat@random=\pgfmathresult
+      \ifnum\cat@random=1
+				\cat@tombstone%
+       \else
+       	\cat@draw%
+      \fi
+    \else
+    	\cat@draw%
+    \fi
+  \end{scope}%
+  \thing[#1]%
+}
+
+\newif\ifcat@threeD
+\newif\ifcat@schroedinger
+
+\tikzset{
+  %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+  %
+  % Pass unknown keys on to tikz
+  %
+  %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+  /cat/.search also={/tikz,/pgf,/thing},
+  /cat/.cd,
+  %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+  %
+  % body
+  %
+  %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+  body/.code              = \def\cat@body{#1},
+  body                    = gray!30!black,
+  whiskers/.code          = \def\cat@whiskers{#1},
+  whiskers                = gray!50!white,
+  eyes/.code              = \def\cat@eyes{#1},
+  eyes                    = yellow!80!orange,
+  pupil/.code             = \def\cat@pupil{#1},
+  pupil                   = black,
+  pupilwidth/.code        = \def\cat@pupil@width{#1}\edef\cat@pupil@offset{\strip@pt\dimexpr#1pt/4},
+  pupil width/.forward to = /cat/pupilwidth,
+  narrow pupils/.style    = {pupil width = 0.005},
+  medium pupils/.style    = {pupil width = 0.015},
+  wide pupils/.style      = {pupil width = 0.025},
+  very wide pupils/.style = {pupil width = 0.050},
+  pupil width             = 0.015,
+  paws/.code              = \def\cat@paws{#1},
+  paws                    = \cat@body,
+  nose/.code              = \def\cat@nose{#1},
+  nose                    = red!40!white!80!gray,
+  %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+  %
+  % options
+  %
+  %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+  3D/.code           = \cat@threeDtrue,
+  schroedinger/.code = \cat@schroedingertrue,
+}
+
+\def\cat@draw{%
+%
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%
+% minimal bounding box size 
+%
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+\path (-0.56,0.1) rectangle (1.63, 2.22);
+%
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%
+% store the current scale factor
+% from https://github.com/samcarter/tikzlings/issues/3#issuecomment-461373494
+%
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+\pgfgettransformentries{\tmpscaleA}{\tmpscaleB}{\tmpscaleC}{\tmpscaleD}{\tmp}{\tmp}%
+\pgfmathsetmacro{\scalingfactor}{sqrt(abs(\tmpscaleA*\tmpscaleD-\tmpscaleB*\tmpscaleC))}%
+\pgfmathsetmacro{\xscalefactor}{\tmpscaleA}
+\pgfmathsetmacro{\yscalefactor}{\tmpscaleD}
+%
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+% 
+% switch between 2D and 3D, from
+% https://chat.stackexchange.com/transcript/message/45991801#45991801
+%
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+\ifcat@threeD
+  \def\cat@part@draw[##1]{\shade[ball color=##1]}
+\else
+  \def\cat@part@draw[##1]{\fill[##1]}
+\fi
+%
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%
+% Body parts (center: x=0)
+% 
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%
+% Tail %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+\begin{pgfinterruptboundingbox}
+  \cat@part@draw[\cat@body] (0.3, 0.5) .. controls (0.55, 0.87) and (0.73, 1.50) .. (1.05, 1.65) .. controls (1.32, 1.77) and (1.76, 1.34) .. (1.56,1.33) .. controls (0.92, 2.03) and (0.86, 0.60) .. (0.5, 0.37) -- cycle;
+\end{pgfinterruptboundingbox}
+%
+% Body %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+\cat@part@draw[\cat@body] (0.5462, 0.7155) .. controls (0.5462, 0.1823) and (0.3259, 0.17) .. (0, 0.17) .. controls (-0.3259, 0.17) and (-0.5462, 0.1823) .. (-0.5462, 0.7155) .. controls (-0.5554, 1.2487) and (-0.3075, 1.6768) .. (0, 1.6768) .. controls (0.3075, 1.6768) and (0.5554, 1.2487) .. (0.5462, 0.7155) -- cycle;
+%
+% Ears %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+\cat@part@draw[\cat@body] 
+(0.12, 2.0392) .. controls (0.16, 2.1584) and (0.37, 2.22) .. (0.37, 2.20) .. controls (0.37, 2.2) and (0.39, 1.9) .. (0.2721, 1.9) .. controls (0.1891, 1.88) and (0.12, 1.88) .. (0.12, 2.0392) -- cycle; 
+\cat@part@draw[\cat@body] 
+(-0.12, 2.0392) .. controls (-0.16, 2.1584) and (-0.37, 2.22) .. (-0.37, 2.20) .. controls (-0.37, 2.2) and (-0.39, 1.9) .. (-0.2721, 1.9) .. controls (-0.1891, 1.88) and (-0.12, 1.88) .. (-0.12, 2.0392) -- cycle;
+%
+% Head %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+\cat@part@draw[\cat@body] (0,1.64) circle (0.44);
+%
+% Eyes %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+\cat@part@draw[\cat@eyes] (-0.1014, 1.7491) .. controls (-0.1014, 1.7491) and (-0.1451, 1.7171) .. (-0.1841, 1.7284) .. controls (-0.2231, 1.7397) and (-0.2427, 1.79) .. (-0.2427, 1.79) .. controls (-0.2427, 1.79) and (-0.1992, 1.8221) .. (-0.1602, 1.8108) .. controls (-0.1212, 1.7995) and (-0.1014, 1.7491) .. (-0.1014, 1.7491) -- cycle;
+\cat@part@draw[\cat@eyes] (0.1014, 1.7491) .. controls (0.1014, 1.7491) and (0.1451, 1.7171) .. (0.1841, 1.7284) .. controls (0.2231, 1.7397) and (0.2427, 1.79) .. (0.2427, 1.79) .. controls (0.2427, 1.79) and (0.1992, 1.8221) .. (0.1602, 1.8108) .. controls (0.1212, 1.7995) and (0.1014, 1.7491) .. (0.1014, 1.7491) -- cycle;
+%
+% Pupils %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+\cat@part@draw[\cat@pupil]
+  (-0.1720, 1.8071)
+    .. controls (-0.1720+\cat@pupil@width, 1.7827+\cat@pupil@offset) and (-0.1720+\cat@pupil@width, 1.7584-\cat@pupil@offset) .. (-0.1720, 1.7341)
+    .. controls (-0.1720-\cat@pupil@width, 1.7584-\cat@pupil@offset) and (-0.1720-\cat@pupil@width, 1.7827+\cat@pupil@offset) .. (-0.1720, 1.8071)
+  -- cycle;
+\cat@part@draw[\cat@pupil]
+  ( 0.1720, 1.8071)
+    .. controls ( 0.1720+\cat@pupil@width, 1.7827+\cat@pupil@offset) and ( 0.1720+\cat@pupil@width, 1.7584-\cat@pupil@offset) .. ( 0.1720, 1.7341)
+    .. controls ( 0.1720-\cat@pupil@width, 1.7584-\cat@pupil@offset) and ( 0.1720-\cat@pupil@width, 1.7827+\cat@pupil@offset) .. ( 0.1720, 1.8071)
+  -- cycle;
+%
+% Mouth %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+\draw[\cat@whiskers,line width=\scalingfactor*0.2pt] (-0.16, 1.527) .. controls (-0.16, 1.527) and (-0.062, 1.420) .. ( 0.000, 1.556)  .. controls ( 0.062, 1.420) and ( 0.16, 1.527) .. ( 0.16, 1.527);
+%
+% Nose %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+\cat@part@draw[\cat@nose] (-0.069, 1.6452) .. controls (-0.0524, 1.6613) and (0.0524, 1.6613) .. (0.069, 1.6452) .. controls (0.08, 1.625) and (0.0206, 1.55) .. (0, 1.55) .. controls (-0.0206, 1.55) and (-0.08, 1.625) .. (-0.069, 1.6452) -- cycle;
+%
+% Wiskers %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+\fill[\cat@whiskers] (0.0788, 1.5946) .. controls (0.1658, 1.6099) and (0.2086, 1.5439) .. (0.2956, 1.5286) -- (0.2956, 1.5386) .. controls (0.2097, 1.5537) and (0.1648, 1.6097) .. (0.0788, 1.5946) -- cycle;
+\fill[\cat@whiskers] (-0.0788, 1.5946) .. controls (-0.1658, 1.6099) and (-0.2087, 1.5439) .. (-0.2956, 1.5286) -- (-0.2956, 1.5386) .. controls (-0.2097, 1.5537) and (-0.1648, 1.6097) .. (-0.0788, 1.5946) -- cycle;
+\fill[\cat@whiskers] (0.0752, 1.6081) .. controls (0.1583, 1.6383) and (0.2171, 1.6109) .. (0.3002, 1.5807) -- (0.3002, 1.5907) .. controls (0.2174, 1.6208) and (0.158, 1.6382) .. (0.0752, 1.6081) -- cycle;
+\fill[\cat@whiskers] (-0.0752, 1.6081) .. controls (-0.1583, 1.6383) and (-0.2171, 1.6109) .. (-0.3002, 1.5807) -- (-0.3002, 1.5907) .. controls (-0.2174, 1.6208) and (-0.158, 1.6382) .. (-0.0752, 1.6081) -- cycle;
+\fill[\cat@whiskers] (0.0671, 1.6243) .. controls (0.1414, 1.6725) and (0.2182, 1.6964) .. (0.2925, 1.6482) -- (0.2925, 1.6582) .. controls (0.2179, 1.7066) and (0.1417, 1.6727) .. (0.0671, 1.6243) -- cycle;
+\fill[\cat@whiskers] (-0.0671, 1.6243) .. controls (-0.1414, 1.6725) and (-0.2182, 1.6964) .. (-0.2925, 1.6482) -- (-0.2925, 1.6582) .. controls (-0.2179, 1.7066) and (-0.1417, 1.6727) .. (-0.0671, 1.6243) -- cycle;
+%
+% Feet %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+\cat@part@draw[\cat@paws] (-0.255,0.3) circle (0.18);  
+\cat@part@draw[\cat@paws] (0.255,0.3) circle (0.18); 
+%
+}
+
+\def\cat@tombstone{%
+%
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%
+% minimal bounding box size 
+%
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+\path (-0.55,0.39) rectangle (0.55, 2.06);
+%
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%
+% store the current scale factor
+% from https://github.com/samcarter/tikzlings/issues/3#issuecomment-461373494
+%
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+\pgfgettransformentries{\tmpscaleA}{\tmpscaleB}{\tmpscaleC}{\tmpscaleD}{\tmp}{\tmp}%
+\pgfmathsetmacro{\scalingfactor}{sqrt(abs(\tmpscaleA*\tmpscaleD-\tmpscaleB*\tmpscaleC))}%
+\pgfmathsetmacro{\xscalefactor}{\tmpscaleA}
+\pgfmathsetmacro{\yscalefactor}{\tmpscaleD}
+%
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+% 
+% Drawing the tomebstone
+%
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%
+% Stone %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+\fill[gray] (-0.55,0.4) rectangle (0.55,1.5);
+\fill[gray] (0,1.5) circle (0.55);
+\node[scale=\scalingfactor] at (0,1.3) {R.I.P.};
+%
+% soil %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+\fill[brown!65!black] (1,0.15) arc [start angle=50, end angle=130, radius=1.56] -- cycle;
+%
+% flower
+\draw[green!50!brown,line width=\scalingfactor*0.4pt] (-0.01,0.3) arc [start angle=-15, end angle=30, radius=0.7];
+\fill[green!50!brown] (-0.1377, 0.7384) .. controls (-0.1775, 0.5828) and (-0.1479, 0.4649) .. (0.0072, 0.4246) .. controls (0.0570, 0.5636) and (-0.1529, 0.6447) .. (-0.1377, 0.7384) -- cycle;
+\fill[green!50!brown] (0.1527, 0.7334) .. controls (0.1925, 0.5778) and (0.1629, 0.4599) .. (0.0178, 0.4196) .. controls (-0.0420, 0.5586) and (0.1679, 0.6397) .. (0.1527, 0.7334) -- cycle;
+\foreach \i in {0,51.42857,...,359}{
+	\fill[yellow!50!white,rotate around={\i:(-0.0865, 0.8219)}] (-0.087, 0.822) .. controls (-0.087, 0.822) and (-0.1635, 0.6638) .. (-0.0818, 0.6653) .. controls (-0.0066, 0.6646) and (-0.087, 0.822) .. (-0.087, 0.822) -- cycle;
+}
+%
+}
diff --git a/Master/texmf-dist/tex/latex/tikzlings/tikzlings-coatis.sty b/Master/texmf-dist/tex/latex/tikzlings/tikzlings-coatis.sty
index e9d2f7898a2..1a262ca9475 100644
--- a/Master/texmf-dist/tex/latex/tikzlings/tikzlings-coatis.sty
+++ b/Master/texmf-dist/tex/latex/tikzlings/tikzlings-coatis.sty
@@ -11,12 +11,12 @@
 % Released under the LaTeX Project Public License v1.3c or later
 % See http://www.latex-project.org/lppl.txt
 %
-% Version 0.1
-% Nov 9, 2018    
+% Version 0.2
+% April 7, 2019    
 %
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 \ProvidesPackage{tikzlings-coatis}
- [2018/11/09 v0.1 Drawing coatis in TikZ]
+ [2019/04/07 v0.2 Drawing coatis in TikZ]
 
 \RequirePackage{tikz}
 \RequirePackage{tikzlings-addons}
@@ -68,6 +68,17 @@
 \path (-0.84,0.1) rectangle (1.63,2.26);
 %
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%
+% store the current scale factor
+% from https://github.com/samcarter/tikzlings/issues/3#issuecomment-461373494
+%
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+\pgfgettransformentries{\tmpscaleA}{\tmpscaleB}{\tmpscaleC}{\tmpscaleD}{\tmp}{\tmp}%
+\pgfmathsetmacro{\scalingfactor}{sqrt(abs(\tmpscaleA*\tmpscaleD-\tmpscaleB*\tmpscaleC))}%
+\pgfmathsetmacro{\xscalefactor}{\tmpscaleA}
+\pgfmathsetmacro{\yscalefactor}{\tmpscaleD}
+%
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 % 
 % switch between 2D and 3D, from
 % https://chat.stackexchange.com/transcript/message/45991801#45991801
diff --git a/Master/texmf-dist/tex/latex/tikzlings/tikzlings-hippos.sty b/Master/texmf-dist/tex/latex/tikzlings/tikzlings-hippos.sty
new file mode 100644
index 00000000000..61d7eb7aeb1
--- /dev/null
+++ b/Master/texmf-dist/tex/latex/tikzlings/tikzlings-hippos.sty
@@ -0,0 +1,141 @@
+% !TeX root = ./examples/hippo.tex
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%
+% The tikzlings-hippos package (part of the tikzlings collection)
+% A package to bring little hippos into tikz
+% Maintained by samcarter
+%
+% Project repository and bug tracker:
+% https://github.com/samcarter/tikzlings
+%
+% Released under the LaTeX Project Public License v1.3c or later
+% See http://www.latex-project.org/lppl.txt
+%
+% Version 0.2
+% April 7, 2019   
+%
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+\ProvidesPackage{tikzlings-hippos}
+ [2019/04/07 v0.2 Drawing hippos in TikZ]
+
+\RequirePackage{tikz}
+\RequirePackage{tikzlings-addons}
+
+\newcommand*{\hippo}[1][]{%
+  \begin{scope}%
+    \tikzset{/hippo/.cd,#1}%
+    \hippo@draw%
+  \end{scope}%
+  \thing[#1]%
+}
+
+\newif\ifhippo@threeD
+
+\tikzset{
+  %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+  %
+  % Pass unknown keys on to tikz
+  %
+  %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+  /hippo/.search also={/tikz,/pgf,/thing},
+  /hippo/.cd,
+  %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+  %
+  % body
+  %
+  %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+  body/.code         = \def\hippo@body{#1},
+  body               = gray,
+  toes/.code         = \def\hippo@toes{#1},
+  toes               = \hippo@body!55!white,
+  %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+  %
+  % options
+  %
+  %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+  3D/.code           = \hippo@threeDtrue, 
+}
+
+\def\hippo@draw{%
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%
+% minimal bounding box size 
+%
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+\path (-0.625,0.1) rectangle (0.625, 2.17);
+%
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%
+% store the current scale factor
+% from https://github.com/samcarter/tikzlings/issues/3#issuecomment-461373494
+%
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+\pgfgettransformentries{\tmpscaleA}{\tmpscaleB}{\tmpscaleC}{\tmpscaleD}{\tmp}{\tmp}%
+\pgfmathsetmacro{\scalingfactor}{sqrt(abs(\tmpscaleA*\tmpscaleD-\tmpscaleB*\tmpscaleC))}%
+\pgfmathsetmacro{\xscalefactor}{\tmpscaleA}
+\pgfmathsetmacro{\yscalefactor}{\tmpscaleD}
+%
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+% 
+% switch between 2D and 3D, from
+% https://chat.stackexchange.com/transcript/message/45991801#45991801
+%
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+\ifhippo@threeD
+  \def\hippo@part@draw[##1]{\shade[ball color=##1]}
+\else
+  \def\hippo@part@draw[##1]{\fill[##1]}
+\fi
+%
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%
+% Body parts (center: x=0)
+% 
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%
+% Ears %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+\hippo@part@draw[\hippo@body,rotate around={-30:(0.23,2.03)}] (0.23,2.03) ellipse (0.09 and 0.13);
+\hippo@part@draw[\hippo@body,rotate around={30:(-0.23,2.03)}] (-0.23,2.03) ellipse (0.09 and 0.13);
+%
+% Body %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+\hippo@part@draw[\hippo@body!55!white] ( 0.6,  0.8 ) .. controls ( 0.6 , 0.4) and ( 0.35, 0.19) .. ( 0.0,  0.19) .. controls (-0.35, 0.19) and (-0.6 , 0.4) .. (-0.6,  0.8 ) .. controls (-0.6 , 1.3) and (-0.35, 1.65) .. ( 0.0,  1.65) .. controls ( 0.35, 1.65) and ( 0.6 , 1.3) .. ( 0.6,  0.8) -- cycle;
+%
+% Arms %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+\hippo@part@draw[\hippo@body,rotate around={90:(0.35,1.0)}] (0.35,1.0) ellipse (0.24 and 0.13);
+\hippo@part@draw[\hippo@body,rotate around={-90:(-0.35,1.0)}] (-0.35,1.0) ellipse (0.24 and 0.13);
+%
+% Head %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+\hippo@part@draw[\hippo@body!55!white] (0, 1.76) circle (0.36);
+%
+% Eyes %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+\fill[white] (-0.11, 1.83) ellipse (0.08 and 0.12);
+\fill[white] (0.11, 1.83) ellipse (0.08 and 0.12);
+\fill[black] (-0.105, 1.78) ellipse (0.04 and 0.07);
+\fill[black] (0.105, 1.78) ellipse (0.04 and 0.07);
+%
+% Nose %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+\hippo@part@draw[\hippo@body!80!white] (0, 1.55) ellipse (0.42 and 0.2);
+\hippo@part@draw[\hippo@body!70!black]  (-0.07, 1.63) circle (0.035);
+\hippo@part@draw[\hippo@body!70!black]  (0.07, 1.63) circle (0.035);
+%
+% Mouth %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+\ifhippo@threeD
+	\draw[black,line width=\scalingfactor*0.4pt] (0.125, 1.5) arc [start angle=-50, end angle=-130, radius=0.2] ;
+	\else
+		\draw[\hippo@body!70!black,line width=\scalingfactor*0.4pt] (0.125, 1.5) arc [start angle=-50, end angle=-130, radius=0.2] ;
+		\fi
+		%
+% Feet %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+\begin{scope}
+	\clip (-0.5,0.4) rectangle (0.5,0.13);
+	\hippo@part@draw[\hippo@body] (-0.25,0.15) ellipse (0.16 and 0.17);
+	\hippo@part@draw[\hippo@body] (0.25,0.15) ellipse (0.16 and 0.17);
+	\hippo@part@draw[\hippo@toes] (0.25,0.13) ellipse (0.05 and 0.1);
+	\hippo@part@draw[\hippo@toes] (0.13,0.11) ellipse (0.05 and 0.1);
+	\hippo@part@draw[\hippo@toes] (0.37,0.11) ellipse (0.05 and 0.1);
+	\hippo@part@draw[\hippo@toes] (-0.25,0.13) ellipse (0.05 and 0.1);
+	\hippo@part@draw[\hippo@toes] (-0.13,0.11) ellipse (0.05 and 0.1);
+	\hippo@part@draw[\hippo@toes] (-0.37,0.11) ellipse (0.05 and 0.1);	
+\end{scope}
+%
+}
\ No newline at end of file
diff --git a/Master/texmf-dist/tex/latex/tikzlings/tikzlings-koalas.sty b/Master/texmf-dist/tex/latex/tikzlings/tikzlings-koalas.sty
index bca27c6d9cb..206a2918956 100644
--- a/Master/texmf-dist/tex/latex/tikzlings/tikzlings-koalas.sty
+++ b/Master/texmf-dist/tex/latex/tikzlings/tikzlings-koalas.sty
@@ -12,12 +12,12 @@
 % Released under the LaTeX Project Public License v1.3c or later
 % See http://www.latex-project.org/lppl.txt
 %
-% Version 0.1
-% Nov 9, 2018   
+% Version 0.2
+% April 7, 2019   
 %
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 \ProvidesPackage{tikzlings-koalas}
- [2018/11/09 v0.1 Drawing koalas in TikZ]
+ [2019/04/07 v0.2 Drawing koalas in TikZ]
 
 \RequirePackage{tikz}
 \RequirePackage{tikzlings-addons}
@@ -72,6 +72,17 @@
 \path (-0.88,0.1) rectangle (0.88, 2.35);
 %
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%
+% store the current scale factor
+% from https://github.com/samcarter/tikzlings/issues/3#issuecomment-461373494
+%
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+\pgfgettransformentries{\tmpscaleA}{\tmpscaleB}{\tmpscaleC}{\tmpscaleD}{\tmp}{\tmp}%
+\pgfmathsetmacro{\scalingfactor}{sqrt(abs(\tmpscaleA*\tmpscaleD-\tmpscaleB*\tmpscaleC))}%
+\pgfmathsetmacro{\xscalefactor}{\tmpscaleA}
+\pgfmathsetmacro{\yscalefactor}{\tmpscaleD}
+%
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 % 
 % switch between 2D and 3D, from
 % https://chat.stackexchange.com/transcript/message/45991801#45991801
@@ -115,7 +126,7 @@
 \koala@part@draw[\koala@body] (0,1.67) ellipse (0.55 and 0.45);
 %
 % Nose %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-\koala@part@draw[\koala@body!40!black] (-0.15, 1.57) to [out=-110,in=180] (0, 1.42) to[out=0,in=-70] (0.15, 1.57) to [out=110,in=-45] (0.075, 1.71) to[out=135,in=45] (-0.075, 1.71) to[out=-135,in=70] cycle;
+\koala@part@draw[\koala@body!40!black] (-0.1501, 1.5609) .. controls (-0.1784, 1.4833) and (-0.0827, 1.4108) .. ( 0.0000, 1.4108) .. controls ( 0.0827, 1.4108) and ( 0.1784, 1.4833) .. ( 0.1501, 1.5609) .. controls ( 0.1290, 1.6191) and ( 0.1187, 1.6573) .. ( 0.0750, 1.7010) .. controls ( 0.0336, 1.7424) and (-0.0336, 1.7424) .. (-0.0750, 1.7010) .. controls (-0.1187, 1.6573) and (-0.1290, 1.6191) .. (-0.1501, 1.5609) -- cycle;
 %
 % Eyes %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 \ifkoala@sleeping
@@ -140,9 +151,9 @@
 %
 % Mouth %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 \ifkoala@threeD
-  \fill[black] (0.115, 1.39) arc [start angle=-40, end angle=-140, radius=0.16] -- (-0.1, 1.39) -- (-0.1, 1.39) arc [start angle=-130, end angle=-50, radius=0.144] -- cycle;
+	\draw[black,line width=\scalingfactor*0.4pt] (0.115, 1.39) arc [start angle=-40, end angle=-140, radius=0.16];
 \else   
-  \fill[\koala@body!40!black] (0.115, 1.39) arc [start angle=-40, end angle=-140, radius=0.16] -- (-0.1, 1.39) -- (-0.1, 1.39) arc [start angle=-130, end angle=-50, radius=0.144] -- cycle;
+  \draw[\koala@body!40!black,line width=\scalingfactor*0.4pt] (0.115, 1.39) arc [start angle=-40, end angle=-140, radius=0.16];
 \fi
 %
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
diff --git a/Master/texmf-dist/tex/latex/tikzlings/tikzlings-marmots.sty b/Master/texmf-dist/tex/latex/tikzlings/tikzlings-marmots.sty
index 49bee258299..abbeb4a1fbe 100644
--- a/Master/texmf-dist/tex/latex/tikzlings/tikzlings-marmots.sty
+++ b/Master/texmf-dist/tex/latex/tikzlings/tikzlings-marmots.sty
@@ -11,12 +11,12 @@
 % Released under the LaTeX Project Public License v1.3c or later
 % See http://www.latex-project.org/lppl.txt
 %
-% Version 0.1
-% Nov 9, 2018    
+% Version 0.2
+% April 7, 2019    
 %
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 \ProvidesPackage{tikzlings-marmots}
- [2018/11/09 v0.1 Drawing marmots in TikZ]
+ [2019/04/07 v0.2 Drawing marmots in TikZ]
 
 \RequirePackage{tikz}
 \RequirePackage{tikzlings-addons}
@@ -101,6 +101,17 @@
 \path (-0.625,0.1) rectangle (0.905, 2.17);
 %
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%
+% store the current scale factor
+% from https://github.com/samcarter/tikzlings/issues/3#issuecomment-461373494
+%
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+\pgfgettransformentries{\tmpscaleA}{\tmpscaleB}{\tmpscaleC}{\tmpscaleD}{\tmp}{\tmp}%
+\pgfmathsetmacro{\scalingfactor}{sqrt(abs(\tmpscaleA*\tmpscaleD-\tmpscaleB*\tmpscaleC))}%
+\pgfmathsetmacro{\xscalefactor}{\tmpscaleA}
+\pgfmathsetmacro{\yscalefactor}{\tmpscaleD}
+%
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 % 
 % switch between 2D and 3D, from
 % https://chat.stackexchange.com/transcript/message/45991801#45991801
@@ -193,9 +204,12 @@
 %
 % Wiskers %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 \ifmarmot@whiskers
-  \foreach \X in {10,20,33}{%
-    \fill[\marmot@whiskers] (0,1.6) + (\X:0.08) to[out=\X,in={180-\X}] ++({\X-20}:0.3) --++(0,0.005) to[out={180-\X},in=\X] cycle (0,1.6) + ({180-\X}:0.08) to[out={180-\X},in=\X] ++({200-\X}:0.3) --++(0,0.005) to[out=\X,in={180-\X}] cycle;
-  }
+  \fill[\marmot@whiskers] (0.0788, 1.6146) .. controls (0.1658, 1.6299) and (0.2086, 1.5639) .. (0.2956, 1.5486) -- (0.2956, 1.5586) .. controls (0.2097, 1.5737) and (0.1648, 1.6297) .. (0.0788, 1.6146) -- cycle;
+  \fill[\marmot@whiskers] (-0.0788, 1.6146) .. controls (-0.1658, 1.6299) and (-0.2087, 1.5639) .. (-0.2956, 1.5486) -- (-0.2956, 1.5586) .. controls (-0.2097, 1.5737) and (-0.1648, 1.6297) .. (-0.0788, 1.6146) -- cycle;
+  \fill[\marmot@whiskers] (0.0752, 1.6281) .. controls (0.1583, 1.6583) and (0.2171, 1.6309) .. (0.3002, 1.6007) -- (0.3002, 1.6107) .. controls (0.2174, 1.6408) and (0.158, 1.6582) .. (0.0752, 1.6281) -- cycle;
+  \fill[\marmot@whiskers] (-0.0752, 1.6281) .. controls (-0.1583, 1.6583) and (-0.2171, 1.6309) .. (-0.3002, 1.6007) -- (-0.3002, 1.6107) .. controls (-0.2174, 1.6408) and (-0.158, 1.6582) .. (-0.0752, 1.6281) -- cycle;
+  \fill[\marmot@whiskers] (0.0671, 1.6443) .. controls (0.1414, 1.6925) and (0.2182, 1.7164) .. (0.2925, 1.6682) -- (0.2925, 1.6782) .. controls (0.2179, 1.7266) and (0.1417, 1.6927) .. (0.0671, 1.6443) -- cycle;
+  \fill[\marmot@whiskers] (-0.0671, 1.6443) .. controls (-0.1414, 1.6925) and (-0.2182, 1.7164) .. (-0.2925, 1.6682) -- (-0.2925, 1.6782) .. controls (-0.2179, 1.7266) and (-0.1417, 1.6927) .. (-0.0671, 1.6443) -- cycle;
 \fi
 %
 % Teeth %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
diff --git a/Master/texmf-dist/tex/latex/tikzlings/tikzlings-mice.sty b/Master/texmf-dist/tex/latex/tikzlings/tikzlings-mice.sty
index 60fc08220a0..f7fa99eb887 100644
--- a/Master/texmf-dist/tex/latex/tikzlings/tikzlings-mice.sty
+++ b/Master/texmf-dist/tex/latex/tikzlings/tikzlings-mice.sty
@@ -11,12 +11,12 @@
 % Released under the LaTeX Project Public License v1.3c or later
 % See http://www.latex-project.org/lppl.txt
 %
-% Version 0.1
-% Nov 9, 2018    
+% Version 0.2
+% April 7, 2019    
 %
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 \ProvidesPackage{tikzlings-mice}
- [2018/11/09 v0.1 Drawing mice in TikZ]
+ [2019/04/07 v0.2 Drawing mice in TikZ]
 
 \RequirePackage{tikz}
 \RequirePackage{tikzlings-addons}
@@ -68,6 +68,17 @@
 \path (-0.625,0.1) rectangle (0.905, 2.17);
 %
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%
+% store the current scale factor
+% from https://github.com/samcarter/tikzlings/issues/3#issuecomment-461373494
+%
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+\pgfgettransformentries{\tmpscaleA}{\tmpscaleB}{\tmpscaleC}{\tmpscaleD}{\tmp}{\tmp}%
+\pgfmathsetmacro{\scalingfactor}{sqrt(abs(\tmpscaleA*\tmpscaleD-\tmpscaleB*\tmpscaleC))}%
+\pgfmathsetmacro{\xscalefactor}{\tmpscaleA}
+\pgfmathsetmacro{\yscalefactor}{\tmpscaleD}
+%
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 % 
 % switch between 2D and 3D, from
 % https://chat.stackexchange.com/transcript/message/45991801#45991801
@@ -109,9 +120,12 @@
 \mouse@part@draw[\mouse@body!65!white,rotate around={\mouse@rotatearms:(-0.47,1.15)}] (-0.47,0.93) ellipse (0.13 and 0.24);
 %
 % Wiskers %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-\foreach \X in {10,20,33}{%
-  \fill[\mouse@body!50!black] (0,1.2) + (\X:0.08) to[out=\X,in={180-\X}] ++({\X-20}:0.3) --++(0,0.01) to[out={180-\X},in=\X] cycle (0,1.2) + ({180-\X}:0.08) to[out={180-\X},in=\X] ++({200-\X}:0.3) --++(0,0.01) to[out=\X,in={180-\X}] cycle;
-}
+\fill[\mouse@body!50!black] (0.0788, 1.2046) .. controls (0.1658, 1.2199) and (0.2086, 1.1539) .. (0.2956, 1.1386) -- (0.2956, 1.1486) .. controls (0.2097, 1.1637) and (0.1648, 1.2197) .. (0.0788, 1.2046) -- cycle;
+\fill[\mouse@body!50!black] (-0.0788, 1.2046) .. controls (-0.1658, 1.2199) and (-0.2087, 1.1539) .. (-0.2956, 1.1386) -- (-0.2956, 1.1486) .. controls (-0.2097, 1.1637) and (-0.1648, 1.2197) .. (-0.0788, 1.2046) -- cycle;
+\fill[\mouse@body!50!black] (0.0752, 1.2181) .. controls (0.1583, 1.2483) and (0.2171, 1.2209) .. (0.3002, 1.1907) -- (0.3002, 1.2007) .. controls (0.2174, 1.2308) and (0.158, 1.2482) .. (0.0752, 1.2181) -- cycle;
+\fill[\mouse@body!50!black] (-0.0752, 1.2181) .. controls (-0.1583, 1.2483) and (-0.2171, 1.2209) .. (-0.3002, 1.1907) -- (-0.3002, 1.2007) .. controls (-0.2174, 1.2308) and (-0.158, 1.2482) .. (-0.0752, 1.2181) -- cycle;
+\fill[\mouse@body!50!black] (0.0671, 1.2343) .. controls (0.1414, 1.2825) and (0.2182, 1.3064) .. (0.2925, 1.2582) -- (0.2925, 1.2682) .. controls (0.2179, 1.3166) and (0.1417, 1.2827) .. (0.0671, 1.2343) -- cycle;
+\fill[\mouse@body!50!black] (-0.0671, 1.2343) .. controls (-0.1414, 1.2825) and (-0.2182, 1.3064) .. (-0.2925, 1.2582) -- (-0.2925, 1.2682) .. controls (-0.2179, 1.3166) and (-0.1417, 1.2827) .. (-0.0671, 1.2343) -- cycle;
 %
 % Nose %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 \mouse@part@draw[\mouse@body!50!black] (0, 1.248) circle (0.09);
diff --git a/Master/texmf-dist/tex/latex/tikzlings/tikzlings-moles.sty b/Master/texmf-dist/tex/latex/tikzlings/tikzlings-moles.sty
index 228385a129b..b59e022fd57 100644
--- a/Master/texmf-dist/tex/latex/tikzlings/tikzlings-moles.sty
+++ b/Master/texmf-dist/tex/latex/tikzlings/tikzlings-moles.sty
@@ -11,12 +11,12 @@
 % Released under the LaTeX Project Public License v1.3c or later
 % See http://www.latex-project.org/lppl.txt
 %
-% Version 0.1
-% Nov 9, 2018    
+% Version 0.2
+% April 7, 2019    
 %
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 \ProvidesPackage{tikzlings-moles}
- [2018/11/09 v0.1 Drawing moles in TikZ]
+ [2019/04/07 v0.2 Drawing moles in TikZ]
 
 \RequirePackage{tikz}
 \RequirePackage{tikzlings-addons}
@@ -69,6 +69,17 @@
 \path (-0.625,0.1) rectangle (0.905, 2.17);
 %
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%
+% store the current scale factor
+% from https://github.com/samcarter/tikzlings/issues/3#issuecomment-461373494
+%
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+\pgfgettransformentries{\tmpscaleA}{\tmpscaleB}{\tmpscaleC}{\tmpscaleD}{\tmp}{\tmp}%
+\pgfmathsetmacro{\scalingfactor}{sqrt(abs(\tmpscaleA*\tmpscaleD-\tmpscaleB*\tmpscaleC))}%
+\pgfmathsetmacro{\xscalefactor}{\tmpscaleA}
+\pgfmathsetmacro{\yscalefactor}{\tmpscaleD}
+%
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 % 
 % switch between 2D and 3D, from
 % https://chat.stackexchange.com/transcript/message/45991801#45991801
@@ -128,6 +139,6 @@
 \fi
 %
 % Mouth %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-\fill[\mole@body!60!black] (0.145,1.51) arc [start angle=-20, end angle=-160, radius=0.16] -- (-0.14,1.51) -- (-0.14,1.51) arc [start angle=-160, end angle=-20, radius=0.144] -- cycle ;
+\draw[\mole@body!60!black, line width=\scalingfactor*0.4pt] (0.145,1.51) arc [start angle=-20, end angle=-160, radius=0.16] ;
 %
 }
\ No newline at end of file
diff --git a/Master/texmf-dist/tex/latex/tikzlings/tikzlings-owls.sty b/Master/texmf-dist/tex/latex/tikzlings/tikzlings-owls.sty
index c448b824c5a..b54f37f88ab 100644
--- a/Master/texmf-dist/tex/latex/tikzlings/tikzlings-owls.sty
+++ b/Master/texmf-dist/tex/latex/tikzlings/tikzlings-owls.sty
@@ -11,12 +11,12 @@
 % Released under the LaTeX Project Public License v1.3c or later
 % See http://www.latex-project.org/lppl.txt
 %
-% Version 0.1
-% Nov 9, 2018    
+% Version 0.2
+% April 7, 2019   
 %
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 \ProvidesPackage{tikzlings-owls}
- [2018/11/09 v0.1 Draw owls in TikZ]
+ [2019/04/07 v0.2 Draw owls in TikZ]
 
 \RequirePackage{tikz}
 \RequirePackage{tikzlings-addons}
@@ -71,6 +71,17 @@
 \path (-0.73, 0.08) rectangle (0.73, 2.24);
 %
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%
+% store the current scale factor
+% from https://github.com/samcarter/tikzlings/issues/3#issuecomment-461373494
+%
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+\pgfgettransformentries{\tmpscaleA}{\tmpscaleB}{\tmpscaleC}{\tmpscaleD}{\tmp}{\tmp}%
+\pgfmathsetmacro{\scalingfactor}{sqrt(abs(\tmpscaleA*\tmpscaleD-\tmpscaleB*\tmpscaleC))}%
+\pgfmathsetmacro{\xscalefactor}{\tmpscaleA}
+\pgfmathsetmacro{\yscalefactor}{\tmpscaleD}
+%
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 % 
 % switch between 2D and 3D, from
 % https://chat.stackexchange.com/transcript/message/45991801#45991801
diff --git a/Master/texmf-dist/tex/latex/tikzlings/tikzlings-pandas.sty b/Master/texmf-dist/tex/latex/tikzlings/tikzlings-pandas.sty
new file mode 100644
index 00000000000..1361cd2df78
--- /dev/null
+++ b/Master/texmf-dist/tex/latex/tikzlings/tikzlings-pandas.sty
@@ -0,0 +1,128 @@
+% !TeX root = ./examples/panda.tex
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%
+% The tikzlings-pandas package (part of the tikzlings collection)
+% A package to bring little pandas into tikz
+% Maintained by samcarter
+%
+% Project repository and bug tracker:
+% https://github.com/samcarter/tikzlings
+%
+% Released under the LaTeX Project Public License v1.3c or later
+% See http://www.latex-project.org/lppl.txt
+%
+% Version 0.2
+% April 7, 2019  
+%
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+\ProvidesPackage{tikzlings-pandas}
+ [2019/04/07 v0.2 Drawing pandas in TikZ]
+
+\RequirePackage{tikz}
+\RequirePackage{tikzlings-addons}
+
+\newcommand*{\panda}[1][]{%
+  \begin{scope}%
+    \tikzset{/panda/.cd,#1}%
+    \panda@draw%
+  \end{scope}%
+  \thing[#1]%
+}
+
+\newif\ifpanda@threeD
+
+\tikzset{
+  %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+  %
+  % Pass unknown keys on to tikz
+  %
+  %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+  /panda/.search also={/tikz,/pgf,/thing},
+  /panda/.cd,
+  %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+  %
+  % body
+  %
+  %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+  body/.code         = \def\panda@body{#1},
+  body               = white!90!black,
+  %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+  %
+  % options
+  %
+  %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+  3D/.code           = \panda@threeDtrue, 
+}
+
+\def\panda@draw{%
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%
+% minimal bounding box size 
+%
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+\path (-0.62,0.05) rectangle (0.62, 2.18);
+%
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%
+% store the current scale factor
+% from https://github.com/samcarter/tikzlings/issues/3#issuecomment-461373494
+%
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+\pgfgettransformentries{\tmpscaleA}{\tmpscaleB}{\tmpscaleC}{\tmpscaleD}{\tmp}{\tmp}%
+\pgfmathsetmacro{\scalingfactor}{sqrt(abs(\tmpscaleA*\tmpscaleD-\tmpscaleB*\tmpscaleC))}%
+\pgfmathsetmacro{\xscalefactor}{\tmpscaleA}
+\pgfmathsetmacro{\yscalefactor}{\tmpscaleD}
+%
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+% 
+% switch between 2D and 3D, from
+% https://chat.stackexchange.com/transcript/message/45991801#45991801
+%
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+\ifpanda@threeD
+  \def\panda@part@draw[##1]{\shade[ball color=##1]}
+\else
+  \def\panda@part@draw[##1]{\fill[##1]}
+\fi
+%
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%
+% Body parts (center: x=0)
+% 
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%
+% Body %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+\panda@part@draw[\panda@body!55!white] (0,0.78) ellipse (0.57 and 0.65);
+%
+% Arms %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+\begin{scope}[yshift=-0.08cm]
+\panda@part@draw[black,rotate around={70:(0.28,0.93)}] (0.28,0.93) ellipse (0.24 and 0.13);
+\panda@part@draw[black,rotate around={-70:(-0.28,0.93)}] (-0.28,0.93) ellipse (0.24 and 0.13);
+\end{scope}
+%
+% Feet %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+\panda@part@draw[black] (0.32, 0.27) circle (0.2); 
+\panda@part@draw[black] (-0.32, 0.27) circle (0.2);
+%
+% Ears %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+\panda@part@draw[black] (0.32, 2) circle (0.15);
+\panda@part@draw[black] (-0.32, 2) circle (0.15);
+%
+% Head %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+\panda@part@draw[\panda@body!55!white] (0.4897, 1.5886) .. controls (0.4614, 1.8238) and (0.25, 2.1172) .. (0, 2.1134) .. controls (-0.25, 2.1172) and (-0.4614, 1.8238) .. (-0.4897, 1.5886) .. controls (-0.5261, 1.3269) and (-0.2748, 1.2377) .. (0, 1.2377) .. controls (0.2748, 1.2377) and (0.5261, 1.3269) .. (0.4897, 1.5886) -- cycle;
+%
+% Eyes %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+\panda@part@draw[black] (0.3732, 1.6905) .. controls (0.3498, 1.767) and (0.2032, 1.8059) .. (0.0944, 1.7715) .. controls (-0.0145, 1.7371) and (0.173, 1.5479) .. (0.2508, 1.5443) .. controls (0.3286, 1.5407) and (0.3965, 1.614) .. (0.3732, 1.6905) -- cycle;
+\panda@part@draw[black] (-0.3732, 1.6905) .. controls (-0.3498, 1.767) and (-0.2032, 1.8059) .. (-0.0944, 1.7715) .. controls (0.0145, 1.7371) and (-0.173, 1.5479) .. (-0.2508, 1.5443) .. controls (-0.3286, 1.5407) and (-0.3965, 1.614) .. (-0.3732, 1.6905) -- cycle;
+\panda@part@draw[white] (-0.18, 1.7) circle (0.05);
+\panda@part@draw[white] (0.18, 1.7) circle (0.05);
+\panda@part@draw[black] (0.17, 1.695) circle (0.02);
+\panda@part@draw[black] (-0.17, 1.695) circle (0.02);
+%
+% Mouth %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+\draw[black,line width=\scalingfactor*0.2pt] (-0.16, 1.477) .. controls (-0.16, 1.477) and (-0.062, 1.37) .. (0, 1.506)  .. controls (0.062, 1.37) and (0.16, 1.477) .. (0.16, 1.477);
+%
+% Nose %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+\panda@part@draw[black] (0,1.55) ellipse (0.07 and 0.04);
+%
+}
\ No newline at end of file
diff --git a/Master/texmf-dist/tex/latex/tikzlings/tikzlings-penguins.sty b/Master/texmf-dist/tex/latex/tikzlings/tikzlings-penguins.sty
index ce7098621c4..70d90092fa1 100644
--- a/Master/texmf-dist/tex/latex/tikzlings/tikzlings-penguins.sty
+++ b/Master/texmf-dist/tex/latex/tikzlings/tikzlings-penguins.sty
@@ -11,12 +11,12 @@
 % Released under the LaTeX Project Public License v1.3c or later
 % See http://www.latex-project.org/lppl.txt
 %
-% Version 0.1
-% Nov 9, 2018     
+% Version 0.2
+% April 7, 2019     
 %
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 \ProvidesPackage{tikzlings-penguins}
- [2018/11/09 v0.1 Draw penguins in TikZ]
+ [2019/04/07 v0.2 Draw penguins in TikZ]
 
 \RequirePackage{tikz}
 \RequirePackage{tikzlings-addons}
@@ -73,6 +73,17 @@
 \path (-0.865, 0.15) rectangle (0.865, 2.13);
 %
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%
+% store the current scale factor
+% from https://github.com/samcarter/tikzlings/issues/3#issuecomment-461373494
+%
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+\pgfgettransformentries{\tmpscaleA}{\tmpscaleB}{\tmpscaleC}{\tmpscaleD}{\tmp}{\tmp}%
+\pgfmathsetmacro{\scalingfactor}{sqrt(abs(\tmpscaleA*\tmpscaleD-\tmpscaleB*\tmpscaleC))}%
+\pgfmathsetmacro{\xscalefactor}{\tmpscaleA}
+\pgfmathsetmacro{\yscalefactor}{\tmpscaleD}
+%
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 % 
 % switch between 2D and 3D, from
 % https://chat.stackexchange.com/transcript/message/45991801#45991801
diff --git a/Master/texmf-dist/tex/latex/tikzlings/tikzlings-pigs.sty b/Master/texmf-dist/tex/latex/tikzlings/tikzlings-pigs.sty
new file mode 100644
index 00000000000..8ebc701955a
--- /dev/null
+++ b/Master/texmf-dist/tex/latex/tikzlings/tikzlings-pigs.sty
@@ -0,0 +1,134 @@
+% !TeX root = ./examples/pig.tex
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%
+% The tikzlings-pigs package (part of the tikzlings collection)
+% A package to bring little pigs into tikz
+% Maintained by samcarter
+%
+% Project repository and bug tracker:
+% https://github.com/samcarter/tikzlings
+%
+% Released under the LaTeX Project Public License v1.3c or later
+% See http://www.latex-project.org/lppl.txt
+%
+% Version 0.2
+% April 7, 2019    
+%
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+\ProvidesPackage{tikzlings-pigs}
+ [2019/04/07 v0.2 Drawing pigs in TikZ]
+
+\RequirePackage{tikz}
+\RequirePackage{tikzlings-addons}
+\definecolor{pigdark}{RGB}{241,164,142}
+
+\newcommand*{\pig}[1][]{%
+  \begin{scope}%
+    \tikzset{/pig/.cd,#1}%
+    \pig@draw%
+  \end{scope}%
+  \thing[#1]%
+}
+
+\newif\ifpig@threeD
+
+\tikzset{
+  %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+  %
+  % Pass unknown keys on to tikz
+  %
+  %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+  /pig/.search also={/tikz,/pgf,/thing},
+  /pig/.cd,
+  %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+  %
+  % body
+  %
+  %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+  body/.code         = \def\pig@body{#1},
+  body               = pigdark,
+  %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+  %
+  % options
+  %
+  %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+  3D/.code           = \pig@threeDtrue, 
+}
+
+\def\pig@draw{%
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%
+% minimal bounding box size 
+%
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+\path (-0.625,0.1) rectangle (0.905, 2.27);
+%
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%
+% store the current scale factor
+% from https://github.com/samcarter/tikzlings/issues/3#issuecomment-461373494
+%
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+\pgfgettransformentries{\tmpscaleA}{\tmpscaleB}{\tmpscaleC}{\tmpscaleD}{\tmp}{\tmp}%
+\pgfmathsetmacro{\scalingfactor}{sqrt(abs(\tmpscaleA*\tmpscaleD-\tmpscaleB*\tmpscaleC))}%
+\pgfmathsetmacro{\xscalefactor}{\tmpscaleA}
+\pgfmathsetmacro{\yscalefactor}{\tmpscaleD}
+%
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+% 
+% switch between 2D and 3D, from
+% https://chat.stackexchange.com/transcript/message/45991801#45991801
+%
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+\ifpig@threeD
+  \def\pig@part@draw[##1]{\shade[ball color=##1]}
+\else
+  \def\pig@part@draw[##1]{\fill[##1]}
+\fi
+%
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%
+% Body parts (center: x=0)
+% 
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%
+% Tail %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+\draw[\pig@body,line width=\scalingfactor*0.8pt] (0.8471, 0.5927) .. controls (0.8549, 0.4832) and (0.8046, 0.4105) .. (0.7319, 0.4079) .. controls (0.6592, 0.4052) and (0.6142, 0.4365) .. (0.5964, 0.5024) .. controls (0.5786, 0.5682) and (0.6252, 0.6291) .. (0.6794, 0.6342) .. controls (0.7335, 0.6394) and (0.7561, 0.6114) .. (0.7663, 0.5661) .. controls (0.7765, 0.5208) and (0.746, 0.458) .. (0.7192, 0.4319) .. controls (0.6924, 0.4058) and (0.7073, 0.4182) .. (0.6604, 0.3859) .. controls (0.6134, 0.3536) and (0.4367, 0.3643) .. (0.3877, 0.5055);
+%
+% Body %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+\pig@part@draw[\pig@body!55!white] ( 0.6,  0.8 ) .. controls ( 0.6 , 0.4) and ( 0.35, 0.16) .. ( 0.0,  0.16) .. controls (-0.35, 0.16) and (-0.6 , 0.4) .. (-0.6,  0.8 ) .. controls (-0.6 , 1.3) and (-0.35, 1.5) .. ( 0.0,  1.5) .. controls ( 0.35, 1.5) and ( 0.6 , 1.3) .. ( 0.6,  0.75) -- cycle;
+%
+% Arms %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+\pig@part@draw[\pig@body] (-0.2402, 0.9823) .. controls (-0.2994, 1.0582) and (-0.3721, 1.0651) .. (-0.4024, 0.9978) .. controls (-0.4327, 0.9305) and (-0.4092, 0.8145) .. (-0.35, 0.7386) .. controls (-0.3311, 0.7145) and (-0.3101, 0.6964) .. (-0.289, 0.6862) .. controls (-0.2755, 0.7023) and (-0.2498, 0.7563) .. (-0.2498, 0.7563) .. controls (-0.2498, 0.7563) and (-0.1790, 0.731) .. (-0.1611, 0.746) .. controls (-0.1611, 0.746) and (-0.1809, 0.9064) .. (-0.2402, 0.9823) -- cycle;
+\pig@part@draw[\pig@body] (0.2402, 0.9823) .. controls (0.2994, 1.0582) and (0.3721, 1.0651) .. (0.4024, 0.9978) .. controls (0.4327, 0.9305) and (0.4092, 0.8145) .. (0.35, 0.7386) .. controls (0.3311, 0.7145) and (0.3101, 0.6964) .. (0.289, 0.6862) .. controls (0.2755, 0.7023) and (0.2498, 0.7563) .. (0.2498, 0.7563) .. controls (0.2498, 0.7563) and (0.1790, 0.731) .. (0.1611, 0.746) .. controls (0.1611, 0.746) and (0.1809, 0.9064) .. (0.2402, 0.9823) -- cycle;
+%
+% Head %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+\pig@part@draw[\pig@body!55!white] (0,1.64) ellipse (.5 and .5);
+%
+% Eyes %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+\pig@part@draw[gray] (-0.09, 1.82) circle (0.02);
+\pig@part@draw[gray] ( 0.09, 1.82) circle (0.02);
+%
+% Nose %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+\pig@part@draw[\pig@body]  (0, 1.62) ellipse (0.18 and 0.14);
+\pig@part@draw[gray]  (-0.06, 1.62) circle (0.035);
+\pig@part@draw[gray]  ( 0.06, 1.62) circle (0.035);
+%
+% Mouth %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+\ifpig@threeD
+	\draw[gray!70!black,line width=\scalingfactor*0.4pt] (0.105, 1.46) arc [start angle=-50, end angle=-130, radius=0.16] ;
+\else
+	\draw[gray,line width=\scalingfactor*0.4pt] (0.105, 1.46) arc [start angle=-50, end angle=-130, radius=0.16] ;
+\fi
+%
+% Ears %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+\pig@part@draw[\pig@body] (0.22, 2.0392) .. controls 	(0.22, 2.1584) and 	(0.49460, 2.255) .. 	(0.49460, 2.255) .. controls 	(0.49460, 2.255) and (0.5300, 1.86) .. (0.3721, 1.86) .. controls (0.2891, 1.86) and 	(0.22, 1.9201) .. (0.22, 2.0392) -- cycle;
+\pig@part@draw[\pig@body!55!white] (0.22, 2.0392) .. controls (0.26, 2.1584) and (0.47, 2.22) .. (0.47, 2.20) .. controls (0.47, 2.2) and (0.49, 1.9) .. (0.3721, 1.9) .. controls (0.2891, 1.88) and (0.22, 1.88) .. (0.22, 2.0392) -- cycle;	
+\pig@part@draw[\pig@body] (-0.22, 2.0392) .. controls 	(-0.22, 2.1584) and 	(-0.49460, 2.255) .. 	(-0.49460, 2.255) .. controls 	(-0.49460, 2.255) and (-0.5300, 1.86) .. (-0.3721, 1.86) .. controls (-0.2891, 1.86) and 	(-0.22, 1.9201) .. (-0.22, 2.0392) -- cycle;
+\pig@part@draw[\pig@body!55!white] (-0.22, 2.0392) .. controls (-0.26, 2.1584) and (-0.47, 2.22) .. (-0.47, 2.20) .. controls (-0.47, 2.2) and (-0.49, 1.9) .. (-0.3721, 1.9) .. controls (-0.2891, 1.88) and (-0.22, 1.88) .. (-0.22, 2.0392) -- cycle;	
+%	
+% Feet %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+\pig@part@draw[\pig@body] (0.3216,0.15) arc (-15:195:0.12) -- (0.16,0.15) to [bend left] (0.25,0.15) -- cycle;
+\pig@part@draw[\pig@body] (-0.3216,0.15) arc (195:-15:0.12) -- (-0.16,0.15) to[bend right] (-0.25,0.15) --cycle;
+%
+}
\ No newline at end of file
diff --git a/Master/texmf-dist/tex/latex/tikzlings/tikzlings-rhinos.sty b/Master/texmf-dist/tex/latex/tikzlings/tikzlings-rhinos.sty
new file mode 100644
index 00000000000..dabbd15f178
--- /dev/null
+++ b/Master/texmf-dist/tex/latex/tikzlings/tikzlings-rhinos.sty
@@ -0,0 +1,142 @@
+% !TeX root = ./examples/rhino.tex
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%
+% The tikzlings-rhinos package (part of the tikzlings collection)
+% A package to bring little rhinos into tikz
+% Maintained by samcarter
+%
+% Project repository and bug tracker:
+% https://github.com/samcarter/tikzlings
+%
+% Released under the LaTeX Project Public License v1.3c or later
+% See http://www.latex-project.org/lppl.txt
+%
+% Version 0.2
+% April 7, 2019    
+%
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+\ProvidesPackage{tikzlings-rhinos}
+ [2019/04/07 v0.2 Drawing rhinos in TikZ]
+
+\RequirePackage{tikz}
+\RequirePackage{tikzlings-addons}
+
+\newcommand*{\rhino}[1][]{%
+  \begin{scope}%
+    \tikzset{/rhino/.cd,#1}%
+    \rhino@draw%
+  \end{scope}%
+  \thing[#1]%
+}
+
+\newif\ifrhino@threeD
+
+\tikzset{
+  %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+  %
+  % Pass unknown keys on to tikz
+  %
+  %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+  /rhino/.search also={/tikz,/pgf,/thing},
+  /rhino/.cd,
+  %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+  %
+  % body
+  %
+  %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+  body/.code         = \def\rhino@body{#1},
+  body               = gray,
+  toes/.code         = \def\rhino@toes{#1},
+  toes               = \rhino@body!55!white,
+  %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+  %
+  % options
+  %
+  %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+  3D/.code           = \rhino@threeDtrue, 
+}
+
+\def\rhino@draw{%
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%
+% minimal bounding box size 
+%
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+\path (-0.625,0.1) rectangle (0.625, 2.17);
+%
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%
+% store the current scale factor
+% from https://github.com/samcarter/tikzlings/issues/3#issuecomment-461373494
+%
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+\pgfgettransformentries{\tmpscaleA}{\tmpscaleB}{\tmpscaleC}{\tmpscaleD}{\tmp}{\tmp}%
+\pgfmathsetmacro{\scalingfactor}{sqrt(abs(\tmpscaleA*\tmpscaleD-\tmpscaleB*\tmpscaleC))}%
+\pgfmathsetmacro{\xscalefactor}{\tmpscaleA}
+\pgfmathsetmacro{\yscalefactor}{\tmpscaleD}
+%
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+% 
+% switch between 2D and 3D, from
+% https://chat.stackexchange.com/transcript/message/45991801#45991801
+%
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+\ifrhino@threeD
+  \def\rhino@part@draw[##1]{\shade[ball color=##1]}
+\else
+  \def\rhino@part@draw[##1]{\fill[##1]}
+\fi
+%
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%
+% Body parts (center: x=0)
+% 
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%
+% Ears %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+\rhino@part@draw[\rhino@body]  (-0.1772, 2.0686) .. controls (-0.2057, 2.1602) and (-0.3552, 2.2076) .. (-0.3552, 2.1922) .. controls (-0.3552, 2.1922) and (-0.3694, 1.9615) .. (-0.2855, 1.9615) .. controls (-0.2264, 1.9462) and (-0.1772, 1.9462) .. (-0.1772, 2.0686) -- cycle;
+\rhino@part@draw[\rhino@body]  (0.1772, 2.0686) .. controls (0.2057, 2.1602) and (0.3552, 2.2076) .. (0.3552, 2.1922) .. controls (0.3552, 2.1922) and (0.3694, 1.9615) .. (0.2855, 1.9615) .. controls (0.2264, 1.9462) and (0.1772, 1.9462) .. (0.1772, 2.0686) -- cycle;
+%
+% Body %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+\rhino@part@draw[\rhino@body!55!white] ( 0.55,  0.8 ) .. controls ( 0.55 , 0.4) and ( 0.35, 0.19) .. ( 0.0,  0.19) .. controls (-0.35, 0.19) and (-0.55 , 0.4) .. (-0.55,  0.8 ) .. controls (-0.55 , 1.3) and (-0.35, 1.65) .. ( 0.0,  1.65) .. controls ( 0.35, 1.65) and ( 0.55 , 1.3) .. ( 0.55,  0.75) -- cycle;
+%
+% Arms %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+\rhino@part@draw[\rhino@body,rotate around={90:(0.3,1.0)}] (0.3,1.0) ellipse (0.24 and 0.13);
+\rhino@part@draw[\rhino@body,rotate around={-90:(-0.3,1.0)}] (-0.3,1.0) ellipse (0.24 and 0.13);
+%
+% Head %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+\rhino@part@draw[\rhino@body!55!white] (0, 1.76) circle (0.36);
+%
+% Eyes %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+\fill[white] (-0.11, 1.83) ellipse (0.08 and 0.12);
+\fill[white] (0.11, 1.83) ellipse (0.08 and 0.12);
+\fill[black] (-0.105, 1.78) ellipse (0.04 and 0.07);
+\fill[black] (0.105, 1.78) ellipse (0.04 and 0.07);
+%
+% Nose %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+\rhino@part@draw[\rhino@body!80!white] (0, 1.55) ellipse (0.36 and 0.2);
+%
+% Horn %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+\rhino@part@draw[white!95!yellow] (0, 1.7911) .. controls (-0.0231, 1.7372) and (-0.0463, 1.6832) .. (-0.0642, 1.6274) .. controls (-0.0687, 1.6132) and (-0.0724, 1.5981) .. (-0.0678, 1.5834) .. controls (-0.0603, 1.552) and (-0.0287, 1.5287) .. (0, 1.531) .. controls (0.0287, 1.5287) and (0.0603, 1.552) .. (0.0678, 1.5834) .. controls (0.0724, 1.5981) and (0.0687, 1.6132) .. (0.0642, 1.6274) .. controls (0.0463, 1.6832) and (0.0231, 1.7372) .. (0, 1.7911) -- cycle;
+%
+% Mouth %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+\ifrhino@threeD
+	\draw[black,line width=\scalingfactor*0.4pt] (0.125, 1.5) arc [start angle=-50, end angle=-130, radius=0.2] ;
+	\else
+		\draw[\rhino@body!70!black,line width=\scalingfactor*0.4pt] (0.125, 1.5) arc [start angle=-50, end angle=-130, radius=0.2] ;
+		\fi
+		%
+% Feet %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+\begin{scope}
+	\clip (-0.5,0.4) rectangle (0.5,0.13);
+	\rhino@part@draw[\rhino@body] (-0.25,0.15) ellipse (0.16 and 0.17);
+	\rhino@part@draw[\rhino@body] (0.25,0.15) ellipse (0.16 and 0.17);
+	\rhino@part@draw[\rhino@toes] (0.25,0.13) ellipse (0.05 and 0.1);
+	\rhino@part@draw[\rhino@toes] (0.13,0.11) ellipse (0.05 and 0.1);
+	\rhino@part@draw[\rhino@toes] (0.37,0.11) ellipse (0.05 and 0.1);
+	\rhino@part@draw[\rhino@toes] (-0.25,0.13) ellipse (0.05 and 0.1);
+	\rhino@part@draw[\rhino@toes] (-0.13,0.11) ellipse (0.05 and 0.1);
+	\rhino@part@draw[\rhino@toes] (-0.37,0.11) ellipse (0.05 and 0.1);	
+\end{scope}
+%
+}
\ No newline at end of file
diff --git a/Master/texmf-dist/tex/latex/tikzlings/tikzlings-sloths.sty b/Master/texmf-dist/tex/latex/tikzlings/tikzlings-sloths.sty
index fd19630bdbd..7d774bec907 100644
--- a/Master/texmf-dist/tex/latex/tikzlings/tikzlings-sloths.sty
+++ b/Master/texmf-dist/tex/latex/tikzlings/tikzlings-sloths.sty
@@ -11,12 +11,12 @@
 % Released under the LaTeX Project Public License v1.3c or later
 % See http://www.latex-project.org/lppl.txt
 %
-% Version 0.1
-% Nov 9, 2018    
+% Version 0.2
+% April 7, 2019    
 %
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 \ProvidesPackage{tikzlings-sloths}
- [2018/11/09 v0.1 Drawing sloths in TikZ]
+ [2019/04/07 v0.2 Drawing sloths in TikZ]
 
 \RequirePackage{tikz}
 \RequirePackage{tikzlings-addons}
@@ -67,6 +67,17 @@
 \path (-0.7,0.12) rectangle (0.7, 2.27);
 %
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%
+% store the current scale factor
+% from https://github.com/samcarter/tikzlings/issues/3#issuecomment-461373494
+%
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+\pgfgettransformentries{\tmpscaleA}{\tmpscaleB}{\tmpscaleC}{\tmpscaleD}{\tmp}{\tmp}%
+\pgfmathsetmacro{\scalingfactor}{sqrt(abs(\tmpscaleA*\tmpscaleD-\tmpscaleB*\tmpscaleC))}%
+\pgfmathsetmacro{\xscalefactor}{\tmpscaleA}
+\pgfmathsetmacro{\yscalefactor}{\tmpscaleD}
+%
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 % 
 % switch between 2D and 3D, from
 % https://chat.stackexchange.com/transcript/message/45991801#45991801
@@ -127,7 +138,7 @@
 \sloth@part@draw[\sloth@body!40!black] (0,1.665) ellipse (0.078 and 0.048);
 %
 % Mouth %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-\fill[\sloth@body!40!black]  (0.115, 1.54) arc [start angle=-40, end angle=-140, radius=0.16] -- (-0.1, 1.54) -- (-0.1, 1.54) arc [start angle=-130, end angle=-50, radius=0.144] -- cycle;
+\draw[\sloth@body!40!black,line width=\scalingfactor*0.4pt]  (0.115, 1.55) arc [start angle=-40, end angle=-140, radius=0.16];
 %
 % Hair %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 \sloth@part@draw[\sloth@body] (-0.1128,2.0724) .. controls (-0.1128,2.0724) and (-0.1499,2.2329) .. (-0.0972,2.2525) .. controls (-0.1082,2.1318) and (-0.0047,2.0839) .. (-0.0047,2.0839) .. controls (-0.0047,2.0839) and (-0.0219,2.1866) .. (0.0145,2.1933) .. controls (0.0142,2.1159) and (0.0770,2.0884) .. (0.0770,2.0884) -- cycle;
diff --git a/Master/texmf-dist/tex/latex/tikzlings/tikzlings-snowmans.sty b/Master/texmf-dist/tex/latex/tikzlings/tikzlings-snowmans.sty
index b1f9cb02fe6..c084e99bcb6 100644
--- a/Master/texmf-dist/tex/latex/tikzlings/tikzlings-snowmans.sty
+++ b/Master/texmf-dist/tex/latex/tikzlings/tikzlings-snowmans.sty
@@ -11,12 +11,12 @@
 % Released under the LaTeX Project Public License v1.3c or later
 % See http://www.latex-project.org/lppl.txt
 %
-% Version 0.1
-% Nov 9, 2018    
+% Version 0.2
+% April 7, 2019    
 %
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 \ProvidesPackage{tikzlings-snowmans}
- [2018/11/09 v0.1 Draw snowmans in TikZ]
+ [2019/04/07 v0.2 Draw snowmans in TikZ]
 
 \RequirePackage{tikz}
 \RequirePackage{tikzlings-addons}
@@ -71,6 +71,17 @@
 \path (-0.75, 0.0) rectangle (0.75, 2.13);
 %
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%
+% store the current scale factor
+% from https://github.com/samcarter/tikzlings/issues/3#issuecomment-461373494
+%
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+\pgfgettransformentries{\tmpscaleA}{\tmpscaleB}{\tmpscaleC}{\tmpscaleD}{\tmp}{\tmp}%
+\pgfmathsetmacro{\scalingfactor}{sqrt(abs(\tmpscaleA*\tmpscaleD-\tmpscaleB*\tmpscaleC))}%
+\pgfmathsetmacro{\xscalefactor}{\tmpscaleA}
+\pgfmathsetmacro{\yscalefactor}{\tmpscaleD}
+%
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 % 
 % switch between 2D and 3D, from
 % https://chat.stackexchange.com/transcript/message/45991801#45991801
diff --git a/Master/texmf-dist/tex/latex/tikzlings/tikzlings.sty b/Master/texmf-dist/tex/latex/tikzlings/tikzlings.sty
index a3c302e1ece..5a4499a590e 100644
--- a/Master/texmf-dist/tex/latex/tikzlings/tikzlings.sty
+++ b/Master/texmf-dist/tex/latex/tikzlings/tikzlings.sty
@@ -11,12 +11,12 @@
 % Released under the LaTeX Project Public License v1.3c or later
 % See http://www.latex-project.org/lppl.txt
 %
-% Version 0.1
-% Nov 9, 2018   
+% Version 0.2
+% April 7, 2019   
 %
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 \ProvidesPackage{tikzlings}
- [2018/11/09 v0.1 Collection of packages to draw animals and other beings in TikZ]
+ [2019/04/07 v0.2 Collection of packages to draw animals and other beings in TikZ]
 
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 %
@@ -34,6 +34,11 @@
 \RequirePackage{tikzlings-mice}
 \RequirePackage{tikzlings-moles}
 \RequirePackage{tikzlings-sloths}
+\RequirePackage{tikzlings-pigs}
+\RequirePackage{tikzlings-cats}
+\RequirePackage{tikzlings-hippos}
+\RequirePackage{tikzlings-rhinos}
+\RequirePackage{tikzlings-pandas}
 \RequirePackage{tikzlings-addons}
 
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
@@ -54,7 +59,7 @@
   \pgfmathsetseed{\number\pdfrandomseed}
 \fi
 
-\pgfmathdeclarerandomlist{tikzlings}{{\bear}{\penguin}{\marmot}{\owl}{\koala}{\coati}{\snowman}{\mouse}{\moles}{\sloth}}
+\pgfmathdeclarerandomlist{tikzlings}{{\bear}{\penguin}{\marmot}{\owl}{\koala}{\coati}{\snowman}{\mouse}{\moles}{\sloth}{\pig}{\cat}{\hippo}{\rhino}}
 
 \newcommand{\tikzling}[1][]{%
 	\pgfmathrandomitem{\tikzling@random}{tikzlings}%