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Concave Rhombic Dodecahedron — image 1
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Concave Rhombic Dodecahedron

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A new space-filling building block with amazing properties!

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Model information

License
Creative Commons — Attribution — Noncommercial — Share Alike

The Concave Rhombic Dodecahedron is a novel version of the well known (convex) Rhombic Dodecahedron and inherits many of its amazing mathematical properties:

  • Universal: One shape does it all, print as many as you want!

  • Stable: The pieces stay together without glue or magnets!

  • Versatile: The pieces fit in many aesthetic configurations!

  • Autonomous: Any flat surface can be used as a base!

  • Easy to store: The pieces can be stored in a flat configuration without holes!

  • Easy to print: Print them on their side without supports!

  • Strong: Low infill required (5% is enough)!

  • Parametric: OpenScad script to customize size & rounding radius!

[UPDATE] See the new rounded version that prints better and doesn't scratch the table!

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