Computer graphics
Pstrnil
Artist's deviantART profile http://pstrnil.deviantart.com.
iPod Penrose Triangle Wallpapers
The image was found at http://pstrnil.deviantart.com/art/iPod-Penrose-Triangle-Wallpapers-365695244.
Impossible World
Artist's deviantART profile http://pstrnil.deviantart.com.
iPod Penrose Triangle Wallpapers
The image was found at http://pstrnil.deviantart.com/art/iPod-Penrose-Triangle-Wallpapers-365695244.