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

Square-1 (3 layers)
Not-So-Square-1Could also be named "Bump Square-1"
Octagon-1A Square-1 truncated into a regular octagonal prism.
Offset Square-1/2 EqualA Square-1/2 puzzle with a symmetric middle cut and layers offset by 45º.

OlidiusA puzzle made in the former Soviet Union. Even in that region a very rare item.
Otter CubeA split bandaged 1x2x3 offset similarly to the zock cube.
Penrose Square-1A Square-1 truncated into the shape of a Penrose Cube.

Pent-1The concept of the Square-1 implemented with a pentagonal prism.
Penta-1A Square-1 in shape of pentagonal prism with a tilted axis system.
Pentahedron Square 1 mirrorA Square-1 transformed into the shape of a triangular prism but with a Reuleaux triangle. All that with an additional Bump.

Perez' Square-1A fishered and restickered version of Square-1.
Phantom Square-1A Square-1 redesigned with a twist inside its solid and some measures to hide the changes.
Plane Bump Square-1A Square-1 "bumped" in one direction. The puzzle's center was moved away from the solids center along one axis.

Puck 2/16Two 16-segmented circles on a 1x1x2.
Pyramid SquareA square pyramid made from a Square-1. At least this announcement made the built worth it.
RB Square-2The concept of the "Marcos Square-1" applied to a Square-2: A Square-2 in midturn transformed back into cubic shape.


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