Playing with a kaleidoscope
Mirror games in the kaleidoscope of the tetrahedron. Exhibit of Simmetria, giochi di specchi - Symmetry, playing with mirrors.
© matematita
The image belongs to the sections...:
The symmetry group of the tetrahedron
(*332) (Symmetry)
In the yellow kaleidoscope (tetrahedron) (From the exhibitions of matematita)
Further information:
http://specchi.mat.unimi.it