A frieze
One of the seven symmetry types for a frieze, corresponding to the symbol *22∞. You can see an other one; or you can see what happens if you roll up this frieze on a cylinder.
Or you can have a look at the Conway notation in the further information pages.
© matematita
immagine di Riccardo Moschetti
The image belongs to the sections...:
*22∞ (pmm2) (Symmetry)
Friezes ans prismatic groups (Symmetry)
