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def foundation_left =
z0 = (.5w,h);
penpos0(croswid, a3);
z1 = z0;
penpos1(knotwid, a3);
z2 = (.75w, .75h);
penpos2(knotwid, a3);
z7 = (w, .75h);
penpos7(knotwid, a4);
z3 = z0r;
penpos3(knotwid, a2);
z4 = (.25w,.75h);
penpos4(knotwid, a2);
z5 = (.25w,.25h);
penpos5(knotwid, a3);
z6 = (w, .25h);
penpos6(knotwid, a3);
llrrexp(7);
penstroke z1e---z2e{right}---z7e;
penstroke z3e---z4e---z5e{right}---z6e;
enddef;
def foundation_right =
z0 = (.5w,h);
penpos0(croswid, a3);
z1 = z0;
penpos1(knotwid, a3);
z2 = (.75w,.75h);
penpos2(knotwid, a3);
z3 = (.75w,.25h);
penpos3(knotwid, a2);
z4 = (0w,.25h);
penpos4(knotwid, a1);
z5 = z0r;
penpos5(knotwid, a2);
z6 = (.25w,.75h);
penpos6(knotwid, a2);
z7 = (0w,.75h);
penpos7(knotwid, a2);
llrrexp(7);
penstroke z1e---z2e---z3e{left}---z4e;
penstroke z5e---z6e{left}---z7e;
enddef;
def foundation_ileft =
z0 = (.5w,h);
penpos0(croswid, a3);
z1 = z0;
penpos1(knotwid, a3);
z2 = z3r;
penpos2(knotwid, a3);
z3 = (w,.5h);
penpos3(croswid, a2);
z4 = z3;
penpos4(knotwid, a2);
z5 = (.75w,.25h);
penpos5(knotwid, a2);
z6 = (0w,.25h);
penpos6(knotwid, a1);
z7 = z0r;
penpos7(knotwid, a2);
z8 = (.25w,.75h);
penpos8(knotwid, a2);
z9 = (0w,.75h);
penpos9(knotwid, a2);
llrrexp(9);
penstroke z1e---z2e;
penstroke z4e---z5e{left}---z6e;
penstroke z7e---z8e{left}---z9e;
enddef;
def foundation_iright =
z0 = (.5w,h);
penpos0(croswid, a3);
z1 = z0;
penpos1(knotwid, a3);
z2 = (.75w,.75h);
penpos2(knotwid, a3);
z3 = (w,.75h);
penpos3(knotwid, a4);
z4 = z0r;
penpos4(knotwid, a2);
z5 = (0w,.5h);
penpos5(knotwid, a2);
z6 = z5;
penpos6(croswid, a2);
z7 = z6l;
penpos7(knotwid, a3);
z8 = (.25w,.25h);
penpos8(knotwid, a3);
z9 = (w,.25h);
penpos9(knotwid, a3);
llrrexp(9);
penstroke z1e---z2e{right}---z3e;
penstroke z4e---z5e;
penstroke z7e---z8e{right}---z9e;
enddef;
beginchar ("I", sqwid#, sqht#, 0); "found-b left";
foundation_left;
endchar;
beginchar ("J", sqwid#, sqht#, 0); "found-b right";
foundation_right;
endchar;
beginchar ("K", sqwid#, sqht#, 0); "found-b mid-l";
foundation_ileft;
endchar;
beginchar ("L", sqwid#, sqht#, 0); "found-b mid-r";
foundation_iright;
endchar;
beginchar ("M", sqwid#, sqht#, 0); "found-t right";
foundation_left;
currentpicture := currentpicture rotated 180 shifted (w, h);
endchar;
beginchar ("N", sqwid#, sqht#, 0); "found-b left";
foundation_right;
currentpicture := currentpicture rotated 180 shifted (w, h);
endchar;
beginchar ("O", sqwid#, sqht#, 0); "found-b mid-l";
foundation_ileft;
currentpicture := currentpicture rotated 180 shifted (w, h);
endchar;
beginchar ("P", sqwid#, sqht#, 0); "found-b mid-r";
foundation_iright;
currentpicture := currentpicture rotated 180 shifted (w, h);
endchar;
beginchar ("Q", sqwid#, sqht#, 0); "found-l top";
foundation_left;
currentpicture := currentpicture rotated 270 shifted (0, h);
endchar;
beginchar ("R", sqwid#, sqht#, 0); "found-l bot";
foundation_right;
currentpicture := currentpicture rotated 270 shifted (0, h);
endchar;
beginchar ("S", sqwid#, sqht#, 0); "found-l mid-t";
foundation_ileft;
currentpicture := currentpicture rotated 270 shifted (0, h);
endchar;
beginchar ("T", sqwid#, sqht#, 0); "found-l mid-b";
foundation_iright;
currentpicture := currentpicture rotated 270 shifted (0, h);
endchar;
beginchar ("U", sqwid#, sqht#, 0); "found-r bot";
foundation_left;
currentpicture := currentpicture rotated 90 shifted (w, 0);
endchar;
beginchar ("V", sqwid#, sqht#, 0); "found-r top";
foundation_right;
currentpicture := currentpicture rotated 90 shifted (w, 0);
endchar;
beginchar ("W", sqwid#, sqht#, 0); "found-r mid-b";
foundation_ileft;
currentpicture := currentpicture rotated 90 shifted (w, 0);
endchar;
beginchar ("X", sqwid#, sqht#, 0); "found-r mid-t";
foundation_iright;
currentpicture := currentpicture rotated 90 shifted (w, 0);
endchar;
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