Regularity - Irregularity V , by gerhard von graevenitz , 1960 , abstract , Op Art style , Pattern, Line, Organism, monochrome
A black and white image of squares on a black background
 a black and white image. It looks like an optical illusion.  made up of many small, square shapes. The shapes are arranged in a way that creates a spiral effect. Some of the shapes are larger than others. The background of the image is solid black. There is a white border around the image.