A rosette D2
The decoration on this piece of furniture in the castle of Gruyères (Switzerland) represents an example of rosette with dihedral symmetry of type D2 (it is not D4, as it could seem at first sight).
© matematita
foto di Giulio Caiati
The image belongs to the sections...:
*2. (D2) (Symmetry)
Furniture (Anthology of images)
Furniture (Symmetry)