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Polyhedron Model by Martin Berman, Elongated Pentagonal Gyrobirotunda

Polyhedron Model by Martin Berman, Elongated Pentagonal Gyrobirotunda

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Usage conditions apply
The top and bottom faces of this model are regular pentagons. Pentagons, triangles and squares are on sides. The faces total twelve regular pentagons, twenty equilateral triangles, and ten squares. 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: 20.5 cm x 17.5 cm x 17 cm; 8 1/16 in x 6 7/8 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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