Tetrahedron = Join of Two Segments (10cm, 7bars@2m

Tetrahedron = Join of Two Segments (10cm, 7bars@2m 3d printed Mathematical Art
This has become one of my favorites due to the emergent rhythms from its simplistic structure. The tetrahedron may be viewed as the join of two line segments; i.e. the set of all line segments connecting the two segments. Here we've taken just 7 equally spaced points in each of the two initial segments and joined those with 7^2=49 lines. Consequentially, this is also the complete bipartite graph K_{7,7}. I originally created this when thinking of the one tetrahedron triangulation of S^3 and its relationships to Combinatorial Knot Floer Homology and the standard contact structure on S^3.
cm: 10.3 w x 10.3 d x 10.3 h
in: 4.055 w x 4.055 d x 4.055 h

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