Revised 3x2x1 Rubik's Cube

I had a lot of trouble printing the original 1x2x3 Rubik's cube from TomZ. ( http://makerblock.com/2010/07/rubiks-cube-fail/ ) TomZ's version is really great - but I can't manage to print it sufficiently well on my MakerBot. Since his sells on Shapeways, I can only assume my MakerBot is not up to the task of printing these parts.

This version only requires two unique parts, rather than the original design with five unique parts. I've made the grooves in the center pieces larger, which sho