http://sketchup.google.com/Google Sketchup isn't one of those random Google Products but a very useful program when you like to express yourself in a 3D environment...or you are just very bored.
Here is my latest project, a variation of the Halo 2 Battle Rifle:
There's also a 3D Warehouse where users everywhere can upload their projects for everyone to download.
http://sketchup.google.com/3dwarehouse/Here is an example of what Google Sketchup can do. (
Model not mine):
This Mercedes SLR is only 1mb in filesize.
Sketchup gets easier the more you use it