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Six-Sided: Cuboid
6x7x7 I-CubeA 7x7x7 with one layer cut away.
6x8x10Also known as "The Utmost Definitive Ultimate Shape shifter". Another entry in the ever growing field of fully functional cuboids.
6x8x8A pillowed 6x8x8. Made by hand from a 8x8x8.

7x7x9 (pillowed)The first fully functional 7x7x9 cuboid
7x9x9A pillowed version of the 7x9x9. Made from a 9x9x9.
8x10x10Made by truncating a 10x10x10.

AI 2x4x4A 2x4x4 bandaged like an AI cube.
Asymmetric 3x4x5 A 3x4x5 with the puzzles center placed off-center.
Bandaged 3x3x4A 3x3x4 with 2 bandaged blocks.

Büvös DominoSome package variants for the 2x3x3, all made out of cardboard.
BiggaflopA bigger version of the Floppy Cube
Blind Man's DominoRaised dots allow this version to be solved by touch alone.

Borg 1x2x2A building exercise. A 1x2x2 was modifed into a "borg"-variant.
Bubbloid112A corner-turning cuboid designed to be a puzzle with a multi-origin-core. The second implementation of this concept.
Bubbloid122A Compy Cube redesigned to be a puzzle with a multi-origin-core.

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