A colourful mathematical model of cardboard in the form of a small dodecahedron. Each face in the same plane is given a distinct colour.
The model features a small brass ring which permits it to be hung from a string.
Accession Number: 2016.mat.21
Alternative Name:
Primary Materials: cardboard
This model is marked with the number “12” in black pen.
Dimensions (cm): Longest dimension = 20 cm
Function: Pedagogical mathematical model.
Very Good: The model has some small points of damage and punctures.
Associated Instruments:
Manufacturer: Unknown
Date of Manufacture: c. 1960
These models existed at the Dept. of Mathematics during the tenure of Dr. H.S.M. Coxeter, who provided the comments below
Additional Information and References:
“This is the small stellated dodecahedron. You get it by taking a dodecahedron and extending its faces until the planes meet again. Cut the pyramid off, and you have one face of the dodecahedron, or, see it as a dodecahedron with pyramids stuck on to the faces.” H.S.M.Coxeter, March 10, 2000
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