The kaleidoscope of the cube. The reflections on the mirrors of the triangular hole at the bottom of the kaleidoscope yields a virtual image of a sphere, which has the same triangular splitting schemes as the wooden sphere hanging above the kaleidoscope.
Exhibit from Simmetria, giochi di specchi - Symmetry, playing with mirrors.
The image belongs to the sections...:
The objects (From the exhibitions of matematita)
The symmetry group of the cube (*432) (Symmetry)
In the blue kaleidoscope (cube) (From the exhibitions of matematita)