Soma Cube 7-Piece 3D Puzzle, 54 mm

Piet Hein's 1933 puzzle: seven pieces of 18 mm cubes that make a 54 mm cube in 240 distinct ways, and many other shapes. The seven pieces are every irregular shape you can make from three or four cubes joined face to face. Together they fill a 3 × 3 × 3 cube; there are 240 distinct solutions (11,520 counting rotations and reflections), and our generator checks all of them before it writes the files. Each piece prints flat with no supports. **Size** - Cube cell 18 mm; assembled cube 54 mm. **Wha…

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