How many different friezes there are?
Four different friezes on the balustrade of this balcony: in the top a frieze of type ∞∞, at the centre one of type *22∞ surrounded by other two friezes ∞∞ (if we consider the latter three friezes together, we get a frieze 22∞).
© matematita
The image belongs to the sections...:
∞∞ (p111) (Symmetry)
*22∞ (pmm2) (Symmetry)
Terraces (Anthology of images)
Terraces (Symmetry)