is 122.39 KB, has a resolution of 1796x1724 pixels and was uploaded on November 8, 2018 @ 6:13 pm by user: irmael. It is filed under the tags: symmetry, cube, akiyoshi kitaoka, color, monochrome. Click the blue button at the top to freely download: Illusion Optical Optics Penrose Triangle Necker Cube png.