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Polyhedron Model by Martin Berman, Augmented Tridiminished Icosahedron
From the collection of National Museum of American History. Free to download, adapt and use — no permission needed.
About this work
Three faces of this model are pentagons and seven are equilateral triangles.
National Museum of American History’s own descriptionCredit linePolyhedron Model by Martin Berman, Augmented Tridiminished Icosahedron. 1970. Berman, Martin. National Museum of American History, Gift of Martin Berman. CC0.