http://www.sitepoint.com/examples/primes/woodgrain.html
It's not bad, but I don't think it's killer yet.
I've got a very raw maze generation example somewhere if anyone's interested.
The graphics are a bit nasty but the concept is works. There seems to be a diagonal pattern emerging, but a fourth layer would certainly break that.
http://www.sitepoint.com/examples/primes/woodgrain.html
It's not bad, but I don't think it's killer yet.
I've got a very raw maze generation example somewhere if anyone's interested.