Here is the final design of the MakerBot Cupcake CNC. It's open source and you can check it out at www.thingiverse.com/thing:457/
Inside the bot is one of Chris K. Palmer's designs which you can find at www.thingiverse.com/thing:454
We shipped off the first 20 kits last week and this is the 21st kit. We coated it with 3 coats of urethane and it is an awesome machine.