A dihedral symmetry of type D1 in this clapper in Milan.From the point of view of topology...
A dihedral symmetry of type D1 in this clapper in Bergamo.From the point of view of topolo...
The clappers of this door in Rome on the Aventino have a dihedral symmetry D1 and if you l...
A dihedral symmetry of type D1 in this clapper in Bergamo.From the point of view of topolo...
A dihedral symmetry of type D1 in this clapper of a gate in Milan. From the point of view...
A dihedral symmetry of type D1 in this clapper in Val Brembana in Bergamo.From the point o...
A dihedral symmetry of type D1 in this clapper in Milan.From the point of view of topology...
A dihedral symmetry of type D1 in this clapper in Bergamo.From the point of view of topolo...
Un rosone con simmetria diedrale, di tipo D8 (dovuto agli 8 piccoli incavi sul bordo che r...
Un rosone con simmetria diedrale, di tipo D4. Particolare della Basilica di Fourvière a L...
door knockers