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Six-Sided: Cuboid
Semi-Super L-Cube (opposite circles)The L-Cube from Calvins Cuboid series with two circles on some of the sides.
Semi-Super T-Cube (one circle)The T-Cube from Calvins Cuboid series with one circle on one of the sides.
Semi-Super T-Cube (two circles)The T-Cube from Calvins Cuboid series with two circle on two of the sides.

Shape changeable 5x5x5 IA mass produced 4x5x5 modified to add another layer.
Shape changeable 5x5x5 IIA mass produced 4x4x5 modified to add another two layers.
Shape shifting 2x3x3This is a 2x3x3 that allows 90-turns on every face and can therefore change its shape drastically.

Shapeshifting 3x3x6A fully functional 3x3x6. The pieces are deliberately designed to be unproportional.
Single Axis Gear BoxA 3x3x3 with a geared mechanism, connecting two opposite sides.
Single Circle 3x3x3A Crazy 2x3x3 with one layer of cubies glued on the circles of one side.

Skinny CubeA redesigned and even thinner variant of the Slim Cube.
Sliced Floppy CubeA 1x3x3 with two additional deep cuts.
Slide Twist Twist Slide The successor of "Twisted Assembly Puzzle" made for IPP33

Slide-1A Square-1 with four holes on the top and bottom layer and with additional holes on the sides.
Sliding 1x2x3A 1x2x3 enhanced with the abilities of a Sliding Puck.
Sliding 2x2x3A successor to the sliding 1x2x3 and the sliding Domino.

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