Optic composition , by ludwig wilding , 1965 , abstract , Op Art style , Circle
A picture of a metal sphere in a white frame.
A picture of a circle is inside a white frame. The frame is made of wood and has a white border around it. The picture is black and white. The center of the picture is a circular piece of art. There are many lines going in a circular pattern. There is a green line going through the middle of the circle.