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Polyhedron Model by Martin Berman, Elongated Pentagonal Orthobicupola

Polyhedron Model by Martin Berman, Elongated Pentagonal Orthobicupola

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This model has a pentagonal top and bottom. Five squares and five equilateral triangles are around each pentagon. Ten squares are around middle of model. Hence the faces of the model are two regular pentagons, twenty squares, and ten equilateral triangles.
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: 11.5 cm x 17 cm x 17 cm; 4 17/32 in x 6 11/16 in x 6 11/16 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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