
I was enamoured with Alex Weber's 64 Pixels project from the moment I saw it. When I happened across it (via Make:blog, I think), I was just starting the design process for my new satchel.
UPDATE: David at doswa.com was able to get the FTDI driver working with avrdude 5.8. Go check out his site for some great instructions: http://doswa.com/blog/2009/12/20/avrdude-58-with-ftdi-bitbang-patch-on-linux/
This is so easy and obvious, it's probably not even worth mentioning.
Here's a quick and easy method for making some simple plastic (ruidmentary casein) in the convenience of your own home, and all for less than ten dollars.