Design for an Exterior Mural (detail) , by vladimir bonacic , 1977 , abstract , Cyber Art style , Text, Line, Pattern, Font
a set of four images with numbers on them
 a set of six images. Each image has a square in the top right corner that has an X in the middle of it. The X is made up of small black dots. Below that is a square that has 2,8, and 0 in the bottom right corner. Each of the images has a dotted line on it. 