Krystian's Disk is an invention by Krystian Wilisowski. It is a disk built of 24 segments in six sectors. The sectors can shift with respect to each other, enabling different ways that the segments can be rotated.
Watch the YouTube 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.