(YouTube link)
Phun is fun! Phun was created as a MSc project by Emil Ernerfeldt (who also created the music) for supervisor Kenneth Bodin, HPC2N/VRlab, UmeƄ University, Sweden. The program is free to download. http://www.acc.umu.se/~emilk/ -via Viral Video Chart
The tool overcomes a few of Phun's shortcomings, namely the ability to draw straight lines and complex symmetric shapes, and is called the Phun Gear Creator.
Check it out here:
http://www.codebot.org/articles/?doc=9516
http://www.youtube.com/watch?v=BPD4qTR6nE8&feature=related