主权项 |
1. A picture comprising a paint receiving substrate formed with a series of bowl-shape indentations, each indentation having interior surface portions which face in different directions and are one of differently colored and differently shaded from each other and include respective vertically extending parts whereby such different colors and different shades on said parts cannot be seen when viewed perpendicularly by a spectator positioned directly in front of said parts and, respective ones of such different colors and shades on respective parts can be seen only alternately, one at a time, when viewed at different angles from respective of said different directions, and together form composite visual subject matter which varies in said one of said color and shade, respectively, when viewed from respective of said different directions. |