To make my burlap bubble wreath, I used alternating colors of burlap ribbon to create blocks of color in two colors. (momhomeguide.com)
In these little known works on paper, black outlines of figures are filled in with blocks of color like stained - glass windows. (artsy.net)
The eight vertical sections are composed of blocks of color which, reading left to right mirror one another without exactly matching, section by section. (brooklynrail.org)