The pattern of symmetry o
The drawing illustrates the symmetry of a pattern of type o, by putting in evidence the parallelogram of the translations, there are no axes of reflection, nor axes of glide reflection and centres of rotation. Here we can see an example of a pattern characterized by this scheme and this module.
© Angelo Gavezzotti
disegno di Angelo Gavezzotti
The image belongs to the sections...:
The schemes for the 17 wallpaper patterns (Symmetry)
(2D geometry)
Further information:
http://www.iucr.org/iucr-top/comm/cteach/pamphlets/21/sup/
