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