From: Frank Buss
Subject: an implicit surface polygonizer with OpenGL output
Date: Mon, 17 Apr 2006 15:00:28 +0000
Message-ID: <rkfq7eurblo2.3uau2vtlrznv$.dlg@40tude.net>

I've ported a 15 years old C program to Lisp:

http://www.frank-buss.de/lisp/polygonizer.html

Still a lot to do to make it more Lisp-like and faster, but it's already
useful.

-- 
Frank Buss, ··@frank-buss.de
http://www.frank-buss.de, http://www.it4-systems.de