Cubes on a Disk a two 4x4x4 Rubik's Cubes connected on a disk. The two cubes can exchange parts by turning the disk and bringing one half of one cube on top of another half of the other cube.
Watch the YouTube video
Watch Tony's close-up video
Read at the Shapeways Forum
Read more at the Twisty Puzzles Forum
Please order a 3D-printed do-it-yourself puzzle kit from Shapeways at this page (check with Oskar about screws and stickers), or contact Oskar
directly if you are interested in obtaining a fully colored, stickered and assembled sample of this puzzle.