A manhole cover in Paris with cyclic symmetry, of type C12.You can see an other one.
Rosone con simmetria ciclica di tipo C9, su un arco da culla in legno del XIX secolo conse...
A hub with cyclic group of symmetry of type C16. We can compare it with another hub; or w...
An example of rosette with cyclic symmetry of type C15.The image appears in the book Il ri...
Un rosone con simmetria ciclica, di tipo C9, sul soffitto della sala da pranzo di un alber...
The scheme of symmetry of this drawing is of type C4. If we ignore the colours, it has sym...
At the entrance gate of the Department of Mathematics of the University of Milan, in via S...
On the floor of S.Marco church, in Venice, this rosette has dihedral symmetry of type D12 ...
A lace with cyclic symmetry of type C10. From the small wheel in the centre we conclude th...
At the entrance gate of the Department of Mathematics of the University of Milan, in via S...
