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This drawing has been used for an exhibit of Simmetria, giochi di specchi - Symmetry, play...
A hub with a dihedral group of symmetry of type D7 (if we ignore the central mark...). Fro...
A lace with dihedral symmetry of type D8.You can see an other one.
The cupola of the palace of the parliament in Budapest is an example of dihedral symmetry ...
This decoration of the Duomo in Troia (Foggia) is an example of rosette with dihedral symm...
On the facade of San Cristoforo church, in Milan, we can see a rosette with dihedral symm...
If we put any object between two incident mirrors at angle that divides 180° (18° in the...
A fig-tree leaf (Ficus carica), this plant has been cultivated in Italy since long time an...
Some rosettes on the facade of the Civic Museum of Natural History in Milan, in corso Vene...
Pictured boxes (used as trunks or pieces of forniture) sold in a bazaar on Sunday in Kashg...
