Apart from all the cool building design I am doing right now, it seems some people are right into using Autocad 3D extensions to do art. How good can it possibly be?
Check out this picture (click on it to go to full size):
Here is the link to it, and others: http://www.creative-3d.net
Update: I just noticed how weird that pic looks due to the wide angle perspective. The vertical edges look like they are tilting in. Interesting.