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The flag of Canada has a dihedral symmetry of type D1. You can use a mirror to find out th...
Unicellular alga covered in silica. The photo of this diatom seen under an optical microsc...
This rosette in the apse of the Duomo of Milan has dihedral symmetry of type D3.
This drawing has been used for an exhibit of Simmetria, giochi di specchi - Symmetry, play...
Particolare di un pavimento, a Roma. Si indovina che si possa trattare di un rosone con si...
A rosette with dihedral symmetry of type D4, painted on glass and realized by the students...
A rosette with dihedral symmetry of type D5 and some patterns of type *442 and 4*2 in via ...
Rosone con simmetria diedrale di tipo D6, su un arco da culla in legno del XIX secolo cons...
An example of rosette with dihedral symmetry of type D6 on a gate in viale Lombardia, in M...
Mu Torere, a game of strategy from New Zealand, of the Maori people.The chessboard has dih...
