ex_34.tex

\documentclass[a4paper]{article}
\usepackage{pst-solides3d}
\pagestyle{empty}
\begin{document}
 
%@AUTEUR: Juergen Gilg
 
\begin{pspicture}(-6,-5)(6,6)
\psset{lightsrc=10 10 10,viewpoint=20 20 20,SphericalCoor,Decran=100,
    ngrid=18 30,r0=0.25,r1=0.9,RotY=45,solidmemory=true,hollow,
    incolor=lightgray,unit=0.5}
 
\psSolid[object=tore,
    RotY=90,
    fillcolor=lightgray,
    action=none,
    name=anneau1](0,-2.5,0)
\psSolid[object=tore,
    RotY=90,
    fillcolor=lightgray,
    action=none,
    name=anneau2](0,0,0)
\psSolid[object=tore,
    RotY=90,
    fillcolor=lightgray,
    action=none,
    name=anneau3](0,2.5,0)
\psSolid[object=tore,
    fillcolor=lightgray,
    action=none,
    name=anneau4](0,-1.25,0)
\psSolid[object=tore,
    fillcolor=lightgray,
    action=none,
    name=anneau5](0,1.25,0)
\psSolid[object=fusion,
    base=anneau1 anneau2 anneau3 anneau4 anneau5,
    name=anneaux,
    opacity=0.6,
    action=draw**]%
 \composeSolid
\end{pspicture}
 
\end{document}