Cubes (1977)

A performer enters carrying a bucket of what appears to be black paint the film is in negative He begins to paint lines on what seems to be a white wall The lines become a 2D representation of a cube The next image is a wall of paper It is cut away from behind and another cube is gradually revealed in the background The performer leaves the scene to the side He reenters the scene from the left in the foreground He then destroys parts of the foreground cube by cutting it away This reveals the fact that the cube is not flat but suspended in space He again leaves the scene from the left only to reappear in the rear of the scene He then draws in the lines of the foreground cube at the rear of the space He then returns to the foreground and completes the cutting away of the foreground cube Upon completion of this he returns to the rear and fills in the foreground lines The film ends after he fills in one side of each cube with solid black