Today we had an interesting discussion around the value of having constraints in a creative task. All media have their constraints and projects introduce more again. There are lots of examples where constraints are used as a catalyst to creative endeavour.
Anyhow, one cute example of this CGsphere, here people have a precise set of rules with which to create their piece of CG fun. The site wasnt active the last time I wanted to visit, but it is obviously back and there are plenty of stunning new images to browse through. I think this might make for a nice student exercise and I would love to try my hand sometime soon as well.
Here are a few of the newer ones that inspired me - check the site for more and links for the higher res versions:
[images from CGsphere]