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Tetrahedral Duals (equal weight)

Creation quality: 5.0/5 (1 vote)
Evaluation of members on the printability, utility, level of detail, etc.

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 printer file information

  • 3D design format: STL Folder details Close
    • bigtetradualeq.stl

    Learn more about the formats

  • Last update: 2020-07-02 at 20:17
  • Publication date: 2020-05-24 at 06:00





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.

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