Fourfold Triacontahedron

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A fourfold copy of a rhombic triacontahedron can be created with 11 layers. From inside to outside these are:
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Contributed by: Izidor Hafner (January 2012)
Open content licensed under CC BY-NC-SA
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Details
Reference
[1] I. Hafner, T. Zitko, and B. Jurcic–Zlobec, "Gallery of Rhombic Polyhedra," VisMath, 4(1), 2002. vismath7.tripod.com/hafner.
Permanent Citation
"Fourfold Triacontahedron"
http://demonstrations.wolfram.com/FourfoldTriacontahedron/
Wolfram Demonstrations Project
Published: January 6 2012