ex_21.tex

\documentclass[a4paper]{article}
\usepackage{pst-solides3d}
\pagestyle{empty}
\begin{document}
 
%@AUTEUR: Juergen Gilg
\begin{pspicture}(-4,-5)(-6,8)
\psset{solidmemory}
\psset{unit=0.75}
\psset{lightsrc=10 5 10,SphericalCoor,viewpoint=20 20 20,Decran=50}
 
\psSolid[%
    object=cylindre,
    r=3,
    h=5,
    fillcolor=blue,
    incolor=lightgray,
    ngrid=24 36,
    RotY=90,
    hollow,
    action=none,
    name=cyl1,
    ](0,0,0)
\psSolid[%
    object=cylindre,
    r=2.5,
    h=4,
    fillcolor=green,
    incolor=white,
    ngrid=24 36,
    RotY=100,
    hollow,
    action=none,
    name=cyl5,
    ](1,0,0)
\psSolid[%
    object=cylindre,
    r=2,
    h=5,
    fillcolor=orange,
    incolor=gray,
    hollow,
    ngrid=24 36,
    action=none,
    name=cyl2,
    RotY=110,
    ](2,0,0)
\psSolid[%
    object=cylindre,
    r=1.5,
    h=5,
    fillcolor=red,
    incolor=lightgray,
    hollow,
    ngrid=24 36,
    action=none,
    name=cyl4,
    RotY=120,
    ](3,0,0)
\psSolid[%
    object=cylindre,
    r=1,
    h=5,
    fillcolor=yellow,
    incolor=white,
    hollow,
    ngrid=24 36,
    action=none,
    name=cyl3,
    RotY=130,
    ](4,0,0)
\psSolid[%
    object=fusion,
    base=cyl1 cyl2 cyl3 cyl4 cyl5,
    name=cylindre,
    action=draw**
    ](0,0,0)%
\composeSolid
\end{pspicture}
 
\end{document}