A decoration
The scheme of symmetry of this decoration in Senago (Milan) would be of type *× without the marks with the shape of an "S"; these marks break the symmetry, that becomes of type o (if we imagine that the marks are all equal…).
© matematita
The image belongs to the sections...:
*× (cm) (Symmetry)
Around the city (From the exhibitions of matematita)
O (p1) (Symmetry)
