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

Other N-Sided: Twenty
Master DogicDesigned after the Dogic but with different cutting depths.
Master IcosahedronA Masterball in shape of an icosahedron.
Master Icosahedron MegaminxCombines the cuts of an icosahedrin Impossiball and an icosahedron megaminx. An abandonded prototype.

Master IcosamateA Master Pentultimate in the shape of an icosahedron.
Master Skewb IcosahedronA Master Skewb in shape of an icosahedron.
Master Tutt's IcosaminxThe Tutt's Icosahedron with an additional set of layers.

Maxi DogicThe rebuilt version of the Dogic.
MegaminxdiikosaederThe predecessor of the Octahinx. A megaminx regularly truncated on eight corners.
Mike's MixupIcosahedral transformation of the mixup octahedron. Every piece is unique in shape and size.

Mini DogicA smaller, 3D printed version of the Dogic
Mini Radio 3 IcosahedronA brother of Eitan's Star with curvy cuts and one additional piece type.
Non-regular IcosahedronA 3x3x3 truncated into a shape with twenty triangles, 8 identical equilateral triangular faces and 12 sharp angle triangles.

Octahedral Mixup I CubeA Mixup Cube in shape of Greenhill's Octahedron.
Octaminx UltimatePyraminx Ultimate with small pyramidal tips. This version became mass produced.
PentastarA megaminx without its corners.

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