Rafael Castro Triguero wrote: > Now, but I run an example and yap at first gives me this error: > *Cannot find postcript header file "3D.pro" > > *Some idea?* save ftp://tug.ctan.org/pub/tex-archive/graphics/pstricks/contrib/pst-3dplot/pst-3dplot.pro in $tTEXMF/dvips/pstricks or any other dir, where LaTeX searchs for files. Herbert