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

Matthew Street
2x3x6 protocuboidA 6x6x6 extended into a cuboid.
2x6x6 (Steinmetz)A 2x6x6 in a shape resembling the Steinmetz solid.
3x3x3 I-cubeA mass produced 3x3x4, bandaged and transformed to pretend to be bumped 3x3x3 in solved state.

3x4x6 protocuboidA 6x6x6 extended into a cuboid.
3x7x7 (Steinmetz)A 3x7x7 in a shape resembling the Steinmetz solid.
4x4x4 I-cubeA mass produced 4x4x5, bandaged and transformed to pretend to be bumped 4x4x4 in solved state.

4x4x6 Octagonal wall barrelA 4x4x6 in shape of an octagonal prism. Stickered after put in midturn state.
4x8x8 (Steinmetz)A 4x8x8 in a shape resembling the Steinmetz solid.
6x6x6 center blockA 6x6x6 bandaged with one big block. A constrained variant that does not behave bandaged.

AI KilominxA Master Kilominx bandaged with ten 2x2x2-blocks.
Bump 339A bumped version of a mass produced 3x3x9 V2.
Cubic 4x4x8 IIA cube behaving like a bandaged 8x8x8. All face pieces are split up.

Cuboidal 3x3x7A cubic 3x3x7 with two slice turns and a series of extensions.

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