Assembling the World's Smallest (old) 8mm Rubik's Cube<br /> This puzzle was 3D printed at Shapeways. The CAD work was done by Evgeniy Grigoriev. It was previously the smallest Rubik's Cube in the world though it was broken by Callum's 6mm cube ( https://www.youtube.com/watch?v=_pnm8LO7JWs ) and more recently Evgeniy's 5.7mm cube. We have experimented with 5, 4 and 3mm cubes but so far the technology available to us isn't good enough.
https://www.youtube.com/watch?v=iaqQ7z3H-bo