Bram's Sphere Inverted is a twisty puzzle, inspired on a geometry discovered by Bram Cohen
. Bram's Sphere has two axes, one with three turns and one with four turns. In Bram's Sphere
, the three-turn axis has the deepest cut, and the four-turn axis the shallower cut. For Bram's Sphere Inverted, it is the opposite, and the four-turn axis has the deepest cut.
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.