Posted by Molly S. In Shapes of Space Blog (September 14, 2014)
Description:
By: Paige B. (September 16, 2014)
"In
this wallpaper pattern there is a 90 degree rotation. The rotation
point is at the center meeting point of four of the square corners.
There is also reflection in four directions (horizontal, vertical and
both diagonal) making this a p4m wallpaper pattern. "
