cliparts/4/4/6/c/clipart-tromino-tessellation-446c.svg image/svg+xml Open Clip Art Library tromino tessellation 2011-03-18T02:10:00 A tromino or triomino is a shape made of three squares. Technically, a straight line of 3 squares would also be a tromino, but it would be called a rectangle by almost anybody. http://openclipart.org/detail/128149/tromino-tessellation-by-10binary 10binary black clip art clipart tessellation triomino tromino white