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A carpet made with gold threads and gems in a factory of carpets in Agra (India). The real...
A rosette with symmetry D2 reproduced between two mirrors at 90°: if we don't consider th...
Questo simbolo è un esempio di rosone con simmetria diedrale, di tipo D3.
A hub with cyclic group of symmetry of type C3 (if we ignore the central mark…). We can...
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...
A Ravenna, nella basilica di San Vitale, un rosone con simmetria ciclica, di tipo C4 (se s...
A rosette with cyclic symmetry (C4) painted on glass and handcrafted by some students at t...
