Online since 2002. The most comprehensive site for all around twisty puzzles.

Tim Fitzrandolph
Phone Case Puzzle v1A phone case with an integrated puzzle.
Planetary PuckA cylindrical Floppy Cube with an outer and an inner ring connected by planetary gears.
PyraTorusThe 2nd iteration fo the Menger Sponge turned into a puzzle.

Quaffle BallA sphere with four dents, inspired by the Quidditch ball from the Harry Potter series.
Reuleaux TobleroidA five layered triangualr prism roughly in the shape of a bar of the famous swiss chocolate.
RoundaboutOne rotation with four rings of marbles that can be combined into one continous ring.

Sandwich TrackThree tracks of 20+24+20 marbles plus four elements of the puzzle turnable by 90° to exchange the marbles.
Side ViewMechanically this is a simple puzzle with four intersecting circles. Innovative is the fact that one can only see the side of the pieces which is still enough to solve it.
Slideception3D printed recursion: A moving hole puzzle made up out of moving hole puzzle.

Space StationA ring with six segments and a turn which has been completely unknown so far.
StarplexA pentagonal prism with two layers and wedge-like extensions.
Steinmetz DinoA Dino cube in the shape of the namegiving solid.

Super Menger Bump 9x9x9A shape variant of the 9x9x9 inspired by the Menger Sponge.
Synchro LoopOne ring of marbles with two circles that always turn together.
Tangle SphereA cornerless Cube with six rubber bands connecting opposite edges.


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