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An example of rosette with cyclic symmetry of type C6.The image appears in the book Il rit...
On a gate in piazza mercanti, in Milan, there's an example of rosette with cyclic symmetry...
The balcony of a house in via Caccianino, in Milan is decorated with rosettes with dihedra...
A detail of the chorus in the mezquita of Cordova (Spain). At fist sight, it seems to have...
Rosettes of type C2 (on the right) and D2 (all the others) on these carpets in a bazaar of...
On the floor of S.Marco church, in Venice, this rosette has dihedral symmetry of type D12 ...
This detail of the dome of the tomb of the poet Hafez (Shiraz, Iran) provides an example o...
A photo of a Hedera helix leaf like this, taken from the right point of view, evokes a dih...
Pong Hau K'i, a simple game of strategy, originated in China and known, with some variants...
The pieces of this puzzle are hexagonal tiles, all decorated with three pulls of rope (two...