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Kevin Uhrik
Tetrahexaminx IIA vertex-turning tetrakis hexahedron with different cutting depth.
Tetrahexaminx IIIA tetrakis hexahedron with a hybrid mechanism inside that combines face and edge turning hexahedron.
Tetrahexaminx IVA Tetrakis Hexahedron with a mechanism resembling the Helicopter Skewb but with more visible pieces.

Tetrahexaminx VA Tetrakis Hexahedron with a mechanism resembling the Helicopter Skewb but with more visible pieces and an additional axis.
Tetrakis Hexahedron SkewbA skewb in the shape of a Tetrakis Hexahedron, which is a catalan solid.
Voyager CubeA 3x3x3 redesigned to have cuts like a Rex Cube.

Voyager MegaminxA megaminx redesigned to have cuts like a Rex Cube.

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