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Circle 4x4x4 type II - Center LockingCircle 4x4x4 with a Circle 2x2x2 inside. Circle is bigger than on the Circle 4x4x4 type I - Center Locking
Circle 4x4x4 type III - Center LockingCircular 4x4x4 -Center Locking
Circular 5x5x5 Cube IA 5x5x5 with large circles, connected with the central layers. The smallest possible.

Circular 5x5x5 Cube IIA 5x5x5 with small circles, connected with the central layers. Slightly larger than the minimum.
Circular 5x5x5 Cube IIIA 5x5x5 with large circles, connected with the central layers. Slightly smaller than the maximum.
Circular 5x5x5 Cube IVA 5x5x5 with large circles, connected with the central layers.

Confusion PyramidAn F-Skewb in shape of a Reuleaux Tetrahedron.
Crazy 2x2x2A mass produced cross cube built with pieces from the Super 2x2x4.
Crazy 2x2x2 Circle BallA mass produced cross cube with spherical pieces inside of each face.

Crazy 2x2x4A 2x2x4 with circles on the not-extended sides.
Crazy 3x3x3A Crazy 3x3x3 without the inner corners.
Crazy Megaminx DODECAHEDSAnother variant of the circle minx but with one piece type less.

Crazy Tetrahedron SimplifiedCrazy Tetrahedron with one piece type less than the first variant.
DecaphobicAn 10x10x10 Mastermorphix. An 10x10x10 transformed into the shape of a Reuleaux tetrahedron.
Elite TetrahedronThe tetrahedral cousin of the Elite Skewb but published earlier.


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