Bizarro Octahedron is an invention by Bram Cohen. It is a one-piece puzzle, an oddly-shaped solid with eight flat faces. The object of the puzzle is to discover what is the global symmetry of the object. The object has many local symmetries to distract you.
Watch the
YouTube video.
Read at the
Shapeways Forum.
Read more at the
Non-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.