\documentclass[a4paper]{article} \usepackage{geometry} \parindent=0pt \usepackage{pstricks,pst-vue3d} % \definecolor{marron}{rgb}{1,0.55,0} \def\Sol{% \psset{normaleLongitude=90,normaleLatitude=90} \FrameThreeD[fillcolor=lightgray,fillstyle=solid](0,0,-2)(2,-2)(-2,2) \QuadrillageThreeD[grille=.5,linecolor=red](0,0,-2)(-2,-2)(2,2)% \QuadrillageThreeD[grille=0.75,linecolor=cyan](0,0,-2)(-2,-2)(2,2)% } \def\chaise{% \FrameThreeD[normaleLatitude=0,normaleLongitude=0,% fillcolor=marron,fillstyle=solid](-0.8,1,2)(0.2,0)(1.8,1) \CubeThreeD[A=.1,B=0.1,C=0.9](0.9,-0.9,-1.1) \CubeThreeD[A=.1,B=0.1,C=0.9](0.9,0.9,-1.1) \CubeThreeD[A=.1,B=0.1,C=2](-0.9,0.9,0) \CubeThreeD[A=.1,B=0.1,C=2](-0.9,-0.9,0) \CubeThreeD[A=0.9,B=1,C=0.1](0.1,0,-0.1) } \begin{document} \begin{center} \begin{pspicture}(-5.5,-7)(5,4.5) \psset{THETA=30,PHI=20,Dobs=10,Decran=20} \Sol\chaise \pNodeThreeD(-0.5,-0.3,0){littleChair} \rput[lC](littleChair){% \psset{THETA=30,PHI=20,Dobs=100,Decran=20} \Sol\chaise% } \end{pspicture} \end{center} \end{document}