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A raffronto uno sviluppo del cubo (in cui sono in evidenza, colorati allo stesso modo, gli...
In this net of the cube, edges that will be identified when the cube folds up are put in e...
This drawing, attributed to Leonardo da Vinci and taken from the plates of Luca Pacioli's ...
A regular octahedron. Image taken from Giovanni Strüver's memoir "Studi sulla Mineralogia...
Dal Wisconsin, una foto del sole che sembra realizzata "con riga e compasso".
Si vede da questo puzzle che il poliedro rosso si ottiene accostando il poliedro giallo, c...
The shape of this building in the quarter La Defense in Paris is a polyhedron, but it’s ...
The only road that runs through the Kangaroo Island, 113 Km from Adelaide, off Cape Jervis...
A regular tetrahedron with double side than this one. You can see in a net how many triang...
The stella octangula is made of two tetrahedra that are disposed in such a way that their ...
