\documentclass{article} \usepackage{pst-solides3d} \begin{document} \pagestyle{empty} \begin{pspicture}(-5,-5)(5,5) \psset{Decran=50,lightsrc=viewpoint} \psset{solidmemory} \psSolid[object=pie, h=1, %% hauteur r=1, %% rayon phi=30, %% angle de debut theta=300, %% angle de fin ngrid=36 2, %% maillage horizontal et vertical fillcolor=yellow, name=pie1, action=none, ]% \psSolid[object=pie, h=1, %% hauteur r=1, %% rayon phi=300, %% angle de debut theta=390, %% angle de fin fillcolor=red, name=pie2, action=none, ](.3,0,0)% \psSolid[object=fusion, base=pie1 pie2 ] \composeSolid \end{pspicture} \end{document}