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

Square-1 (3 layers)
Twisted Square OneThe concept of the Twist cubies applied to a redesigned Square-1.
Vinh's Octahedron (Square-1)A Square-1 transformed into the shape of an octahedron.
Windmill Square-1A Square-1 windmilled on top and bottom layer separately.


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