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Icosahedron-Dodecahedron Dual Pair

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3D model description

The dodecahedron and icosahedron form a dual pair, each with thirty edges, and in the model they intersect at right angles, as duals might do. Notice one shape has 12 faces and 20 vertices (corners) while the dual has 20 faces and 12 vertices.

3D printing settings

Model dimensions (mm) - X: 45.2, Y: 43.0, Z: 50.2.
Optionally, scale size up or down before you print.
All the pairs in this dual set have diameter 80mm.

  • 3D file format: STL
  • Publication date: 2020/05/24 at 06:57

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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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