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Polyhedron Model by Martin Berman, Elongated Pentagonal Rotunda
From the collection of National Museum of American History. Free to download, adapt and use — no permission needed.
About this work
This model has a regular pentagon on the top, a round of five equilateral triangles, a round of five regular pentagons and five equilateral triangles, a round of ten squares, and a regular decagon on the bottom. Hence its faces total of six regular pentagons, ten equilateral triangles, ten squares, and a regular decagon.
National Museum of American History’s own descriptionCredit linePolyhedron Model by Martin Berman, Elongated Pentagonal Rotunda. 1970. Berman, Martin. National Museum of American History, Gift of Martin Berman. CC0.