\documentclass{article} \usepackage[dvipsnames,svgnames]{pstricks} \usepackage{pst-solides3d} \begin{document} \pagestyle{empty} %% Auteur : Manuel Luque %% \psset{unit=2} \begin{pspicture}(-4,-3)(4,4) \psframe(-4,-3)(4,4) \psset{lightsrc=viewpoint,SphericalCoor,viewpoint=100 -10 40,Decran=50} \psset{solidmemory} \psSolid[object=cylindre, r=2, h=12, RotX=90, fillcolor=yellow!50, ngrid=12 18,action=none, name=cylindre1](0,6,0) \psSolid[object=datfile,fillcolor=yellow!50, file=cylindreconcave, action=none, name=cylindrebranche1 ](0,-2,0) \psSolid[object=datfile,fillcolor=yellow!50, file=cylindreconcave, action=none,RotY=-90, name=cylindrebranche2 ](0,2,0) \psSolid[object=fusion,deactivatecolor, base=cylindre1 cylindrebranche2 cylindrebranche1]% \axesIIID(6,6,6)(8,8,8) \composeSolid \end{pspicture} \end{document}