Computer graphics
Arseniy Testin (Arsek)
Artist's deviantART profile http://arsek.deviantart.com.
Artist's web site http://www.arseniytestin.com.
Escher Dreaming of Cthulhu
The image was found at http://arsek.deviantart.com/art/Escher-Dreaming-of-Cthulhu-273922302