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A 3x3x3 half-regularly truncated on 2 corners. The result has a rarely seen symmetry.
This puzzle is part of the series "Sharp Corners". All modifications of this series are made by truncating an 3x3x3 on its corners. These truncations are not regular as in the Half Truncated Cube. One dimension of the cut goes deeper than the other two. This half-regular style of truncating a corner was popularized by the Hexagonal Dipyramid. The cutting depths do have to go as deep as in the Hexagonal Dipyramid. The Triakis Tetrahedron is another example which uses half-regularly truncated corners too but with diffrent cutting depths.
The technical signature (44000) indicates where to cut the original cube.
Some members of this series are made solely by truncating. Others receive additional extensions to "delete" some of the remaining faces.
This variant was built because its symmetry consists of two orthogonal reflections on planes through opposite edges and and rotation around a face by 180° and nothing else.
Edge length: 57 mm
Weight: 102 grams
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