A gate with friezes
Some friezes on a gate at the University of Milan, in via Festa del Perdono. If you cut this photo in a particular way you could get a frieze of type *∞∞, another of type 2*∞, and another of type *22∞.
© matematita
The image belongs to the sections...:
*∞∞ (pm11) (Symmetry)
*22∞ (pmm2) (Symmetry)
Pma2 (Symmetry)
From "symmetry and everyday life" (From "XlaTangente")
Gates and other dividing elements (Anthology of images)
Gates and other dividing elements (Symmetry)
The Cà Granda (From the exhibitions of matematita)