On the floor of the church Santa Maria in Trastevere in Rome, we can see a rosette, in whi...
This rosette in the apse of the Duomo of Milan has dihedral symmetry of type D3.
This drawing has been used for an exhibit of Simmetria, giochi di specchi - Symmetry, play...
A hub with a dihedral symmetry group, a D3 group - if you ignore a few things… We can c...
Unicellular alga covered in silica. The photo of this diatom seen under an optical microsc...
Questo simbolo è un esempio di rosone con simmetria diedrale, di tipo D3.
Unicellular alga covered in silica. The photo of this diatom seen under an optical microsc...
If we put any object between two incident mirrors at angle that divides 180° (60° in the...
These windows in Corso Magenta in Milan are characterized by the scheme of the Borromean r...
This photo, taken from a particular point of view, evokes a dihedral symmetry, of type D3 ...
