Sculptris

Sculptris is a totally different approach to creating 3D objects. Instead of dragging different shapes around on a screen, Sculptris is more like pushing, pulling, and pinching a virtual ball of clay.
Here is an example of how to make things in Sculptris:


Here is a simple image I created:


And here it is printed:

I also made this spider but I'm don't think I'm going to try printing it.