Projection of the four-dimensional 8-cell
Projection of the regular four-dimensional 8-cell into three-dimensional space. (right model in picture)
The 8-cell is a regular polytope in four-dimensional space. Its boundary consists of 8 cubes, and contains 24 surfaces, 32 edges and 16 vertices.
Showcase of this model is Case number 20
Schilling, Martin(Hrg.): Catalog mathematischer Modelle, Leipzig(Verlag von Martin Schilling) 1911, 7.Auflage, No.285. p. 155.
Separataband M1 im Mathematischen Institut p. 259-272.