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Tetrahedral Duals (equal weight)

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3D model description

Two tetrahedra (triangular-based pyramids) whose edges intersect at right angles at their midpoints. The tetrahedron is the only self-dual of the five Platonic solids. The edges are all equal thickness in this model.

3D printing settings

Model dimensions (mm) - X: 47.2, Y: 41.1, Z: 49.9.
Optionally, scale size up or down before you print.
All the pairs in this dual set have diameter 80mm.

  • 3D file format: STL
  • Last update: 2020/07/02 at 20:17
  • Publication date: 2020/05/24 at 06:00

Copyright

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Creator

Hi, Dan Bach here. I'm a lifelong math nut, a career math teacher and author, and now a 3D math artist and designer. Download some of my polyhedra or space curves! Print them or use them as assets in your video games. (Disclaimer: I didn't make the big star in the photo, but I had a hand in it!)

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