Rhombic Dodecahedron and Polar Zonohedron

separate halves

enlarge envelope

opacity of envelope

frequency

1

2

3

8

Rhombic dodecahedra (RD) are attached face-to-face along the edges of a polar zonohedron, which has four square faces and eight rhombic faces with diagonal ratio

3

.

Note that the rhombic dodecahedron is itself a polar zonohedron.