Threefold Rhombic Triacontahedron

A threefold rhombic triacontahedron consists of eight layers. From inside to outside these are:
• rhombic triacontahedron (RT)
• 30 rhombic dodecahedra of the second kind (RD2)
• 20 prolate rhombohedra (PR)
• 60 PR
• 30 RD2
• 12 rhombic icosahedra (RI)
• 60 oblate rhombohedra (OR)
• 20 OR


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[1] I. Hafner, T. Zitko, and B. Jurcic–Zlobec, "Gallery of Rhombic Polyhedra," VisMath, 4(1), 2002. vismath7.tripod.com/hafner.

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