A rosette
The decoration on the roof of this house in Solda (Bolzano) represents a rosette with dihedral symmetry. When seen from a further distance, the scheme of symmetry seems to be of type D2. Indeed, the particular shape of the tiles makes it a symmetry of type D1.
© matematita
The image belongs to the sections...:
* (D1) (Symmetry)
*2. (D2) (Symmetry)
Roofs and domes (Anthology of images)
Roofs and domes (Symmetry)