Almost-a-Cube is, as it name says, almost a cube. The puzzle mechanism is based on a cubic 5x5x5. However, the dihedral angle between adjacent axes is not the regular 90 degrees, but around 100 degrees. This results in a distorted cubic puzzle with only four functional rotation axes. Because of intersecting planes, one of the axes has only one rotating layers, whereas the other three have two. As a result, the puzzle has no overall symmetry.
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Oskar van Deventer
Oskar Puzzles offers mechanical puzzles and objects that can only exist thanks to 3D printing technologies. All designed by M.Oskar van Deventer.