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Sgranatrice meccanica, conservata presso il Museo degli Usi e Costumi della Gente Trentina...
In Corso Vittorio Emanuele, in Milan, a floor with equilateral triangles, which are colour...
Un bell'orologio alla Gare d'Orsay, a Parigi.Si può confrontare con un'altra foto dello s...
A hub with a dihedral group of symmetry of type D4. We can compare it with another hub; ...
This road sign marks a road with no exit and it is an example of rosette with dihedral sym...
If you color the hexagons in a regular tessellation in a particular way, you can change th...
A Mozambican bag with beautiful examples of friezes. The image appears in the book Il ritm...
This flying baloon has the structure of a uniform polyhedron of type (4,6,10).
