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Product Description
This is a wireframe model of an orthographic projection from 4D into 3D of a regular star 4-polytope, called the grand 600-cell (see Wikipedia). It has (in 4D) 120 vertices, 600 tetrahedon cells (self-intersecting), 1200 faces, and 720 edges. In this orthogonal projection, there are 75 vertices (not counting edge intersections) and 390 edges.
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