Got to see an awesome exhibit at the Art Institute of Chicago this week featuring Brazilian artist Hélio Oiticica, and a companion exhibit on post 1950 Latin American art on paper. Several of the images were lovely natural arrays of rectangles... so I had to play in GeoGebra.[br][br]Exhibits: [url=http://www.artic.edu/exhibition/h-lio-oiticica-organize-delirium]To Organize Delirium[/url] & [url=http://www.artic.edu/exhibition/abstract-experiments]Abstract Experiments[/url][br][br]In this one, you can control all the dimensions. In [url=https://www.geogebra.org/m/NJj8mH29]the other[/url] they are evenly divided.