Fun, though they may be, let's have no teapots in assignment #2!!
There are a number of places where free 3D models are available.
Here's one resource: Avalon / Viewpoint
Here's a list of many other websites
Less practical for assignment #2, but interesting --
The Georgia Tech large models site
What file formats should you look for?
Obj format is fairly easy to deal with. Here's one description
The Crossroads program (for use in Windows) may be of some help in converting between file formats:
If you have other ideas, comments, or experience with available models, please pass them along to the class through the bboard or let us know so that we can update this page.