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Here we see the great icosahedron, one of the four regular stellated polyhedra, in the kal...
A word that doesn't have any axes of symmetry parallel to the direction of writing.
On a fountain of the Castello Sforzesco in Milan, we can see this coat-of-arms. It should ...
Two simply tied circumferences, namely the Hopf link. Exhibit at matemilano, section "Topo...
This poster of the exhibition matemilano, in the section "Symmetry", illustrates the probl...
A drawing that can be reproduced in a room of mirrors by taking these tiles. Exhibit of S...
An example of pattern of type *442. This drawing has been used in the posters of the exhib...
An example of pattern of type 442. The drawing has been used in the posters of the exhibit...
A knot on the paving of the Galleria, in Milan.The image has been used at the exhibition m...
Borromean rings on the facade of the Biblioteca Ambrosiana in Milan.
