Rhombic Dodecahedron

Duality between the Cuboctahedron and the Rhombic Dodecahedron

Solutions of Problems, Norman Anning; Laenas G. Weld, The American Mathematical Monthly, Vol. 23, No. 9. (Nov., 1916), p. 346.

A similar polyhedron: Rhombic Icosahedron

Another similar polyhedron: Rhombic Triacontahedron

Polyhedra constructed by taking convex hull