Ring or Circle, game of strategy, probably of German origin. The circular chessboard has a...
A rosette with dihedral symmetry of type D16 (or D8 if we consider the external part), on ...
On the floor of the Gallery, in Milan, a rosette with a dihedral symmetry group, a D16 gro...
A rosette with dihedral group of symmetry of type D8 on a gate in via de' Togni, in Milan...
Two rosettes with dihedral symmetry of type D4 and D8 on a house in piazza Aspromonte, in ...
A house in via Caccianino, in Milan, is decorated with rosettes (a cyclic rosette of type ...
