Two shapes w/ line or Three shapes? Two shapes w/ line

Pattern used to show figure/ground reversal

Two interlocking shapes showing figure/ ground reversal.

THREE shapes – Are any implied shapes?

Two shapes Two shapes. Is the “ground” black or white?

Two shapes, one implied. What color is the “ground”?

Two implied shapes

Figure/ground reversal

Figure/ground reversal Is this an example of implied shape?

Pattern used to show figure/ground reversal