Folding Polyhedra
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You want a regular convex polyhedron? Here they are, all 5 that exist. Seems there should be more. You want to print it flat, and fold it up into a 3D shape that holds together without glue? Got ya covered. Tetrahedron: (Make lousy dice-- there is no single upward face.) https://youtu.be/lbx2IfQfiyM Hexahedron: https://youtu.be/_x2d-hVTUxM Octahedron: https://youtu.be/Gt0U-Zy1M78 Dodecahedron: https://youtu.be/SNv79Vs9OO8 Icosahedron: https://youtu.be/dGDUkSCX0YM This worked great with my 0.6mm nozzle with 0.3mm layers. If you have a 0.4mm nozzle, you'll want to scale it down by a third and use 0.2mm layers so the hinge works properly.
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