Sketch is a small, simple system for producing line drawings of two- or
three-dimensional solid objects and scenes. The input language is
reminiscent of PSTricks, so will be easy to learn for current PSTricks
users. Sketch can generate output for PSTricks and Tikz/PGF.
www: http://www.frontiernet.net/~eugene.ressler/
Add a patch to make it honour $CC, and install examples while here.
ok jasper@