Uploaded October 2012 | Updated September 2026, 2 weeks ago

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The rhombic dodecahedron is a honeycomb, meaning that it can be used to completely fill space like it can be done with cubes. For just a few polyhedra this is possible. The combination of a tetrahedron and a octahedron together also functions as a honeycomb.
See: en.wikipedia.org/wiki/Honeycomb_%28geometry%29