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