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1x1x5A stupid cuboid built just for the sake of completeness.
2 Layer Super Square 1A super Square-1 reduced to 2 layers.
2x2x3 (aka: Slim Tower)A formerly custom now mass produced 2x2x3 cuboid, commonly known as the "Slim Tower"

2x3x4 (shape-changing)Yet another Tony Fisher masterpiece. The first fully functional irregular cuboid ever.
3x3x3 Triangular PrismA 3x3x3 truncated on 3 edges and afterwards extended. The result has a shape like the triangular prism.
3x3x6 (rectangular pieces)A built-up of the 3x3x4 (Circle) of the same inventor and producer.

3x4x5 Floppy I-cube ExtremeA bandaged 5x5x5 with three layers removed on two sides.
4x4x4 Round Bead Ball Magic CubeLooks like a higher order version of the Wellness cube but uses hard plastic.
4x5x5 (mass produced)The first mass produced 4x5x5.

5-Compound TetraA skewb in shape of a star known as "Compound of five tetrahedra".
5x5x5 MechanismThe mechanism by Udo Krell.
Almost Antiprism - Extended UltimateSkewb F800501E003C00000207040E02801FAn Ultimate Skewb where some face were "deleted" by gluing some extensions on them.

Andreas CrossingThe 3D-equivalent to puzzles with intersecting plungers.
Blind Varikon 2x2x2A puzzle with the mechanism of the Varikon 2x2x2 but the goal of Rubiks Dice.
Bloxbox (by Piet Hein)An earlier version of the Varikon 2x2x2, signed by the first inventor.

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