Rendering
Catalin Obreja (Pipboy3000)
Artist's deviantART profile http://pipboy3000.deviantart.com.
Escher illusion
The image was found at http://pipboy3000.deviantart.com/art/Escher-Illusion-295373503.
Artist's deviantART profile http://pipboy3000.deviantart.com.
Escher illusion
The image was found at http://pipboy3000.deviantart.com/art/Escher-Illusion-295373503.