A cardboard model showing a compound of five tetrahedra. Each tetrahedron is given a separate colour. These are blue, green, orange, yellow, and brown, respectively.
Accession Number: 2016.mat.24
Primary Materials: Cardboard
This model is marked with the number “43.”
Dimensions (cm): Longest dimension = 24 cm
Function: Pedagogical mathematical model.
Good/ Fair: The model is ripped in several places.
Date of Manufacture: c. 1960
“Four tetrahedra, matching the vertices of the icosahedra. Four tetrahedron, with five different colours, so five times four vertices, of the icosahedra.” H.S.M. Coxeter. March 10, 2000.