A rosette
This rosette in Venice has a dihedral symmetry of type D8 if we ignore the square that contains the rosette. The rosette is "unbalanced" inside the square, so the resulting symmetry is cyclic of type C4.
© matematita
The image belongs to the sections...:
*8. (D8) (Symmetry)
4. (C4) (Symmetry)
Decorations of walls and façades (Anthology of images)
Decorations of walls and façades (Symmetry)
Breaking symmetry (Symmetry)
