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The [[Soma cube]] is a [[mathematical game|mathematical puzzle]] by [[Piet Hein]].
Seven pieces made out of unit cubes must be assembled into a 3x3 cube. The pieces can also be used to make a variety of other interesting 3d shapes.
The soma cube is often regarded as the 3d equivalent of [[tangram|tangrams]].
The seven soma pieces are:
<ul>
<li>The bent trimino</li>
<li>[[image:tetris-t.png]] T: a row of three blocks with one added below the center</li>
<li>[[image:tetris-l.png]] L: a row of three blocks with one added below the left side</li>
<li>[[image:tetris-s.png]] S: bent trimino with block placed on outside of clockwise side</li>
<li>[[image:tetris-lscrew.png]] Left screw: unit cube placed on top of anticlockwise side. Chiral in 3D.</li>
<li>[[image:tetris-rscrew.png]] Right screw: unit cube placed on top of clockwise side. Chiral in 3D.</li>
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See also:
*[[Trimino]]
*[[Tetromino]]
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Revision as of 00:07, 27 January 2002
The Soma cube is a mathematical puzzle by Piet Hein. Seven pieces made out of unit cubes must be assembled into a 3x3 cube. The pieces can also be used to make a variety of other interesting 3d shapes.
The soma cube is often regarded as the 3d equivalent of tangrams.
The seven soma pieces are:
- The bent trimino
- T: a row of three blocks with one added below the center
- L: a row of three blocks with one added below the left side
- S: bent trimino with block placed on outside of clockwise side
- Left screw: unit cube placed on top of anticlockwise side. Chiral in 3D.
- Right screw: unit cube placed on top of clockwise side. Chiral in 3D.
- Branch: unit cube placed on bend. Not chiral in 3D.
See also: