A die
A rather unusual dice, shaped like a regular icosahedron, with 20 faces.
© matematita
The image belongs to the sections...:
From "symmetry and everyday life" (From "XlaTangente")
Icosahedron (3D geometry)
The symmetry group of the dodecahedron (*532) (Symmetry)
Playing (Anthology of images)
Playing (Symmetry)