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Polyhedron Model by Martin Berman, Elongated Pentagonal Gyrobirotunda
From the collection of National Museum of American History. Free to download, adapt and use — no permission needed.
About this work
The top and bottom faces of this model are regular pentagons. Pentagons, triangles and squares are on sides. The faces total twelve regular pentagons, twenty equilateral triangles, and ten squares. On Berman's models of regular-faced convex polyhedra, see 1978.1065.01.
National Museum of American History’s own descriptionCredit linePolyhedron Model by Martin Berman, Elongated Pentagonal Gyrobirotunda. 1970. Berman, Martin. National Museum of American History, Gift of Martin Berman. CC0.
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