Acronym rad (old: rhode)
Name rhombic dodecahedron,
Voronoi cell of face-centered cubic (fcc) lattice
 
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General of army (is itself convex)
Colonel of regiment (is itself locally convex)
Dual co
External
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The edge skelleton of the rhombic dodecahedral honeycomb is a compound of 2 diamond lattices.


Incidence matrix

6 * |  4 |  4
* 8 |  3 |  3
----+----+---
1 1 | 24 |  2
----+----+---
2 2 |  4 | 12

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