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The three possible ways of dividing a sphere in equal spherical triangles so that every tr...
The three possible ways of dividing a sphere in equal spherical triangles so that every tr...
Il cubo ha nove piani di simmetria, cioè ci sono nove diverse maniere per tagliare un cub...
Il cubo ha nove piani di simmetria, cioè ci sono nove diverse maniere per tagliare un cub...
A cube in a square in Porto (Portugal). The vertical axis is the rotation axis of order 3 ...
A stella octangula, in the kaleidoscope corresponding to the symmetry group of the cube. W...
An octahedron, in the kaleidoscope corresponding to its symmetry group. You can see an oth...
A rhombic dodecahedron, in the kaleidoscope corresponding to the symmetry group of the cub...
A polyhedron made of a cube (green) and an octahedron (blue), in the kaleidoscope correspo...
A cube, in the kaleidoscope corresponding to its symmetry group. You can see an other poly...
