I'm reposting a little OpenGL program I made years ago, along with some images it can generate. Sierpinksi gasket:
Sierpinksi carpet:
Large sample of L-Systems inspired by Lindenmayer’s book:
I think I originally wrote this for fun, but I ended up using it for an undergraduate computer science presentation. In any case, interested parties can download the source for their own experimentation / amusement.
The project uses the GNU Autotools as a build system, so building
should work with ./configure ; make
.