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Rosone con simmetria diedrale di tipo D32, su un arco da culla, conservato presso il Museo...
On the facade of San Cristoforo church, in Milan, we can see a rosette with dihedral symm...
A rosette with dihedral symmetry of type D12 on a side wall of Nôtre Dame, in Paris.
A rosette with dihedral symmetry of type D14, in via Sforza, a Milano,
A compound leaf of Robinia (Robinia pseudoacacia). A photo of the leaf of Robinia pseudoac...
This drawing has been used for an exhibit of Simmetria, giochi di specchi - Symmetry, play...
This drawing has been used for an exhibit of Simmetria, giochi di specchi - Symmetry, play...
Unicellular alga covered in silica. The photo of this diatom seen under an optical microsc...
This drawing has been used for an exhibit of Simmetria, giochi di specchi - Symmetry, play...
A piece of lace with dihedral symmetry group, of type D2.You can see an other one.
