CC0 · no rights reserved
Polyhedron Model by Martin Berman, Gyroelongated Square Cupola
From the collection of National Museum of American History. Free to download, adapt and use — no permission needed.
About this work
The base of this model is a regular octagon, the top a square. Above the octagon is a round of sixteen equilateral triangles, alternating in orientation. Above the triangles is a round of four squares and four triangles. The model has a total of twenty equilateral triangles, four squares, and one regular octagon.
National Museum of American History’s own descriptionCredit linePolyhedron Model by Martin Berman, Gyroelongated Square Cupola. 1970. Berman, Martin. National Museum of American History, Gift of Martin Berman. CC0.