see also Cassidy Curtis's Best Homework Ever (pdf): http://www.math.brown.edu/~banchoff/BHE.pdf

Wow! This is awesome. Thanks for sharing.

A tough act to follow-up, but The Truth Will Make You Sneeze ( http://www.otherthings.com/uw/ ) sounds good.

Does anyone know where to find tutorials like these, but for drawing less complex objects in 3-D like the ones that we can see in MIT multi-variable calculus courses?

Gotta love a page that has a tutorial on "realistic shading" for drawings of 4-D objects.

thats so cool - who needs software to draw 3d graphs, eh?