\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 15 20,Decran=50} \psSolid[% object=cylindre, r=1.25, h=5, fillcolor=lightgray, incolor=lightgray, hollow, ngrid=24 72, action=none, name=sph1, ](0,0,0) \psSolid[object=grille, base=-3 3 -3 3, fillcolor=yellow, RotX=30, RotZ=15, ngrid=24 24, hollow, action=none, name=sph2, ](0,0,2) \psSolid[% object=fusion, base=sph1 sph2, name=sphere, opacity=0.6, action=draw** ](0,0,0)% \composeSolid \end{pspicture} \end{document}