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In Lisbon, in the APM head-office (Association of Professors in Mathematics), a paving wit...
In Paris, in the section dedicated to the Greek antiquities of the Louvre, the scheme of s...
This floor in Funchal (Madeira, Portugal) has a scheme of symmetry of type ** or *×, acco...
The scheme of symmetry of this decoration at the Castello Sforzesco in Milan is of type *Ã...
An arras with symmetry of type ××; from the exhibition Simetria, jogos de espelhos, real...
The picture shows what happens when you put just one ball in a kaleidoscope, which corresp...
This small stellated dodecahedron on the floor of S.Marco in Venice is attributed to Paolo...
In this pattern of Alhambra (XIV-XV century a.C. Granada, Spain) we can notice a scheme of...
Fregio su una casa in via Pollini a Rovereto (Tn).Il motivo decorativo presenta due bande ...
In the mosque Ertogrulgazi in Achkhabad (Turkmenistan) we can see a pattern of type 4*2 in...
