Type Quadrilateral Edges and vertices 4 Schläfli symbol . The term is occasionally used to refer to a non-square rectangle. Two rectangles, neither of which will fit inside the other, are said to be incomparable. Tessellations The rectangle is used in many periodic tessellation patterns, in brickwork, for example, these isogonal tilings: Stacked bond Running bond Basket weave Basket weave Crossed rectangle A crossed rectangle is a complex (self-intersecting) rectangle, also… (More on Rectangle)