Geometric Model by A. Harry Wheeler, Union of Twelve Tetrahedra

Geometric Model by A. Harry Wheeler, Union of Twelve Tetrahedra

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This cut and glued tan paper model represents the union of twelve overlapping regular tetrahedra. It has four faces that have eight edges on the outside and an equilateral triangle in the middle; twelve faces that are parallelograms (three at each of four courners); and four regular hexagons on the inside. The entire model is inscriptible in a regular tetrahedron.
A mark in pencil on the model reads: 12 Tetrahedra Inscriptible in (/) a Regular Tetrahedron (/) Aug. 20, 1938 (/) No 75. A paper tag reads: 75.
Currently not on view
Object Name
Geometric Model
date made
1938 08 20
Wheeler, Albert Harry
place made
United States: Massachusetts, Worcester
Physical Description
paper (overall material)
tan (overall color)
cut and folded (overall production method/technique)
average spatial: 6.5 cm x 8 cm x 9 cm; 2 9/16 in x 3 5/32 in x 3 17/32 in
ID Number
accession number
catalog number
Credit Line
Gift of Helen M. Wheeler
See more items in
Medicine and Science: Mathematics
Science & Mathematics
Data Source
National Museum of American History
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