The stella octangula is made of two tetrahedra that are disposed in such a way that their ...
We can pick out 8 vertices among the 20 vertices of a dodecahedron so that they can be the...
We can divide the 20 vertices of a dodecahedron in 5 groups of 4 vertices, so that the poi...
A model of stella octangula, made with tooth-picks. The two colours show the vertices of a...
A simple way to understand why there are only five regular polyhedra is to examine how reg...
The stella octangula is made of two tetrahedra that are disposed in such a way that their ...
A bicoloured stella octangula in the kaleidoscope of the tetrahedron: the symmetry group o...
We can pick out 8 vertices among the 20 vertices of a dodecahedron so that they are the ve...
There are five ways to pick out 8 vertices among the 20 vertices of dodecahedron to form a...
There are five ways to pick out 8 vertices among the 20 vertices of dodecahedron to form a...
