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In the mosque Ertogrulgazi in Achkhabad (Turkmenistan) we can see a pattern of type 4*2 in...
A hub with a dihedral symmetry group, a D20 group - if you ignore a few things … We ca...
Section of the trunk of wistaria (Wisteria sisensis), an ornamental exotic plant. This se...
The cupola of the palace of the parliament in Budapest is an example of dihedral symmetry ...
You can see a description of a homothety in this Australian road sign. Which are the centr...
Reflections on water. This picture has been used in the book Il ritmo delle forme - The rh...
In the courtyard of the Red Fortress (XVI century, Agra, India), the internal garden provi...
A paving with regular hexagons coloured so that the symmetry group is *333. You can see a ...
