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

4x4x4 Mixup RevengeA 4x4x4 with a hole that allows a reduced set of pieces to move during a slice turn.
4x4x4 PenroseA 4x4x4 truncated into three round surfaces in a spiral pattern.
4x4x5 Fisher CuboidA 4x4x6 Fisher Cuboid with one layer removed.

4x6x8 bump cuboidA 4x6x8 bump cuboid (mirror blocks) made with 3D printed extensions.
4x7x7A true 4x7x7 custom made from a 7x7x7
5x5x5 in a bottleA 5x5x5 assembled in a jar.

5x5x7 Bump CubeA 5x5x7 bumped with 3D printed extensions.
5x5x7 CuboidA 7x7x7 bandaged and extended into this cuboid.
6-Color Stripe CubeA 3x3x3 modification with a more complex solved position.

6x6x6 Illusion StickerlessThe illusion cube with 6 layers. Made from two mass produced samples.
6x6x6 in a bottleA 6x6x6 assembled in a jar.
6x8x10 (pillowed)A pillowed 6x8x10. Made from a 10x10x10.

7x7x7 illusion cube with two colour cornersA V-Cube Illusion without pillowed shape and with two-coloured corners.
7x7x7 Illusion Cube with two colour corners (stickered)A V-Cube Illusion without pillowed shape and with two-coloured corners and stickers applied.
7x7x7 in a bottleA 7x7x7 assembled in a jar.

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