Embedding the ContextFreeArt language in Scheme

For 3D context free art, check Structure Synth. Combine it with the Sunflow renderer, and you'll be in love with it - <a href="http://structuresynth.sourceforge.net/" rel="nofollow">http://structuresynth.sourceforge.net/</a>

Some other ContextFreeArt implementations that I know of: <a href="http://gist.github.com/358956" rel="nofollow">http://gist.github.com/358956</a>