A rosette D9
This drawing has been used for an exhibit of Simmetria, giochi di specchi - Symmetry, playing with mirrors, in which visitors are asked to find out the symmetry axes of given drawings like this one. In this case, there are nine symmetry axes.
© matematita
The image belongs to the sections...:
The rosettes (From the exhibitions of matematita)
Of higher order (Symmetry)
Further information:
http://specchi.mat.unimi.it