\begin{pspicture}(-5,-7)(5,9)
\psset{lightsrc=0 -40 10}
\psset{viewpoint=50 -80 10 rtp2xyz,Decran=130}
\psframe(-5,-7)(5,9)
\psSolid[object=new,RotX=90,RotZ=120,fillcolor=red!60,grid,
    sommets= (sommets_venus.dat) run,
    faces={(faces_venus.dat) run}]%
\end{pspicture}