CC0 · no rights reserved
Polyhedron Model by Martin Berman, Regular Icosahedron
From the collection of National Museum of American History. Free to download, adapt and use — no permission needed.
About this work
The faces of the model are twenty equilateral triangles.
National Museum of American History’s own descriptionCredit linePolyhedron Model by Martin Berman, Regular Icosahedron. 1970. Berman, Martin. National Museum of American History, Gift of Martin Berman. CC0.