Explanation & Background
Repeating shape is the square.
Inside the square is a rotation over 90, 180 and 270 degrees.
System P4 is very suitable to design symmetric patterns.
More pictures of the type P4
Elephants & Balls
Islamic Art, Alhambra 1
Company Logo Transportgroep Brummen
Company Logo Dutch Railways
This moving tessellation picture is based on the Tiles in the Grottenhof in München
Rezidenz Maximillian I (1611-1616)