What are Interlocking Shapes? Space division in a painting is more interesting when you create two shapes that interlock, as in a puzzle or jigsaw puzzle. Example You can see the negative sky shape formed by the top frame of the painting and the silhouette of the buildings. The houses on the left provide the interlocking shape into the negative shape of the sky. There are also interlocking shapes to the right provided by the sky shape inserting itself into the line of buildings. You can see the puzzle-like piece in green fitting into the contour of the houses. When