pst-ob3d.dtx --------
0.22  2020-03-24   Load pst-tools for the random macros (hv)
0.21  2007-08-22   Updated the style file (hv)
0.20  2006-11-25   First CTAN release
0.12  2004-09-29   small fix to the latex-wrapper part (hv)
0.11  2004-09-29   first CTAN version

