Printable 3D objects
After discovering that 3D printing was available, I started to design objects intended to be real-life ones using Blender.
Blivet, or the Devil's Tuning Fork, or Poiuyt
This object is designed to look like the famous impossible object from a certain angle (see the Wikipedia article), and is available from Shapeways!
The object from the angle it resembles the blivet.
And from another angle revealing how it's done
And finally, the printed object!
3-Statue
A statue or ornament based on a parameterized surface.