A pattern 2*22
An example of pattern with symmetry 2*22 (if we ignore the colouring; of type *2222 if we we consider the colours): it can be reproduced in a rectangular room of mirrors by putting between the mirrors a drawing with a centre of symmetry of order 2 at the centre of the rectangle.
© matematita
elaborazione grafica di Roberta Granà
The image belongs to the sections...:
*2222 (pmm) (Symmetry)
2*22 (cmm) (Symmetry)
