A triangle within three rectangles , by robert mangold , 1977 , abstract , Minimalism style , Orange, Construction paper, Rectangle
An orange piece of artwork on a white background.
An orange square is on a white background. The orange square has three rectangles on each side of it. There are two rectangles that intersect at the top and one at the bottom of the square. There is a thin black line going through the middle of the orange square.