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In this sides of the Castello Sforzesco in Milan, we can see a pattern of type 4*2, a rose...
An example of rosette with dihedral symmetry D16 in the centre of Milan (or D4, according ...
A rosette with dihedral symmetry of type D16 (or D8 if we consider the external part), on ...
A trefoil knot (if we attach the two ends in the right way…) on a capital in the courtya...
The symmetry of the facade of the church S. Ambrogio, in Milan, is broken by two towers of...
The tails of these animanls form an Hopf link on the capital of S. Ambrogio church, in Mil...
A courtyard of Ca' Granda in Milan. The colonnade of the arcade and that of the upper floo...
This cupola at the Ca' Granda, in Milan, is an example of rosette with dihedral group of s...
