A rosette
The drawing of one of the fifteen rosettes in the horizontal row lying in the middle of the façade of S. Maria Novella, in Florence.
You can see an other one; or you can see a photo of the same rosette.
The rosette has a dihedral symmetry type D4 (for the curvilinear quadrilateral in the centre; otherwise the symmetry type would be D8...).
© matematita
disegno di F. Martín Casalderrey
The image belongs to the sections...:
*4. (D4) (Symmetry)
*8. (D8) (Symmetry)
Decorations of walls and façades (Anthology of images)
Decorations of walls and façades (Symmetry)
