An octahedron
The marks on the surface of this regular octahedorn represent the planes of symmetry.
Image used in the posters on polyhedra realized for the exhibition Simmetria, giochi di specchi - Symmetry, playing with mirrors.
© matematita
elaborazione grafica di Roberta Granà
The image belongs to the sections...:
The symmetry group of the cube (*432) (Symmetry)
Octahedron (3D geometry)
Posters about polyhedra (From the exhibitions of matematita)
Further information:
http://specchi.mat.unimi.it
