Computer graphics
Philipee
Artist's profile at deviantART http://philipee.deviantart.com
Impossible triangle
The image was found at http://philipee.deviantart.com/art/Impossible-Triangle-in-Space-129232748
Impossible World
Artist's profile at deviantART http://philipee.deviantart.com
Impossible triangle
The image was found at http://philipee.deviantart.com/art/Impossible-Triangle-in-Space-129232748