Dodecahedron and icosahedron are dual polyhedra: in this position the edges of the dodecah...
The stella octangula is made of two tetrahedra that are disposed in such a way that their ...
Dodecahedron and icosahedron are dual polyhedra: the centres of the faces of a dodecahedro...
Cubes and octahedra are dual polyhedra. The centres of the faces of a cube are vertices of...
A model of stella octangula, made with tooth-picks. The two colours show the vertices of a...
Cube and octahedron are dual polyhedra: in this position the edges of the cube are perpend...
A bicoloured stella octangula in the kaleidoscope of the tetrahedron: the symmetry group o...
Cubes and octahedra are dual polyhedra. The centres of the faces of an octahedron are vert...
Dodecahedron and icosahedron are dual polyhedra: the centres of the faces of a icosahedron...
The stella octangula is made of two tetrahedra that are disposed in such a way that their ...
