1-4 um excentrum IV , by max bill , 1969 , abstract , Concretism style , Line, Flag
A white square with red, yellow, blue and black rectangles.
A square is composed of red, blue, black, and yellow rectangles arranged in a diagonal pattern. The rectangle in the middle is black. The rectangles are all the same size and color. The background is white. The image has a square border around it.