Polyhedron Model by Martin Berman, Gyroelongated Square Cupola

Polyhedron Model by Martin Berman, Gyroelongated Square Cupola

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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.
On Berman's models of regular-faced convex polyhedra, see 1978.1065.01.
Currently not on view
Object Name
geometric model
date made
Berman, Martin
place made
United States: Pennsylvania, Pittsburgh
Physical Description
paper (overall material)
overall: 8.4 cm x 12.7 cm x 12.7 cm; 3 5/16 in x 5 in x 5 in
ID Number
accession number
catalog number
Credit Line
Gift of Martin Berman
Regular-Faced Convex Polyhedra
See more items in
Medicine and Science: Mathematics
Berman Models
Science & Mathematics
Data Source
National Museum of American History
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