In Persepolis (Iran), this statue has a prismatic symmetry: here we would see two perpendi...
Attilio Pierelli's hypercube in Viterbo. The sculpture can be interpreted as the projectio...
A rosette with dihedral symmetry of type D16, used as a "clock" in this bas-relief at the ...
A cube in a square in Porto (Portugal). The vertical axis is the rotation axis of order 3 ...
A prismatic symmetry of type D1 (with just one plane of symmetry) in this sculpture at the...
In Paris, in the section dedicated to Mesopotamia in the Louvre, this figure in a bas-reli...
Attilio Pierelli's hypercube in Viterbo. The sculpture can be interpreted as the projectio...
Cerchi e sfere in questa scultura in piazza Camerlata, a Como.Dal punto di vista della top...
Un fregio, di tipo ∞×, su un pannello, fra le collezioni del Museo Pergamon, a Berlino....
