2. F F F FF F (Invented Shape) F F ก ก F FF F F 2 2.1 F F (Abstract Shape) F F ก F F F FF F F F (SHAPE) 1. F F ก กก ( Natural Shape) F F กก F F , F , F F (SHAPE) กF F F 2.2.1 F F (Geometric Shape) F F FF F * F F (Static) F Fก ก F FF F กก 2.2 F F F F (Non-Objective Shape) F 2.2.2 F F (Free Shape) F กF FF F กF F F F (SHAPE)