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A dihedral symmetry of type D1 in this clapper in Milan.From the point of view of topology...
A seed of pea (Pisum sativum), a plant belonging to the family of the Papilionaceae. If we...
This drawing has been used for an exhibit of Simmetria, giochi di specchi - Symmetry, play...
A basket seen through the kaleidoscope of the tetrahedron. From the exhibition Simmetria, ...
The seven types of friezes realized with Potuguese azulejos. From the top we see: the frie...
A crystal of flourite, that has the shape of a regular octahedron.The image appears in the...
In piazza Diaz, Milan, a paving with a 442 symmetry type. Detail. This picture has been us...
The coat-of-arms of the Cavalieri, in piazza dei Cavalieri, in Pisa, is an example of a ro...
Loggia del Romanino, Castello del Buonconsiglio - Trento.Il motivo del pavimento è un ese...
At the centre of the floor of the Room of Columns, in Brescia, at the Domus dell'Ortaglia ...
