A manhole cover C12
A manhole cover in Paris with cyclic symmetry, of type C12.
You can see an other one.
© matematita
The image belongs to the sections...:
From "symmetry and everyday life" (From "XlaTangente")
Higher order (Symmetry)
Drains and manhole covers (Anthology of images)
Drains and manhole covers (Symmetry)
