Ink and pencil
SycoDraw
Artist's deviantART profile http://sycodraw.deviantart.com.
Impossible triangle
© SycoDraw, 2012
The image was found at http://sycodraw.deviantart.com/art/Impossible-triangle-343959925.
Impossible World
Artist's deviantART profile http://sycodraw.deviantart.com.
Impossible triangle
© SycoDraw, 2012
The image was found at http://sycodraw.deviantart.com/art/Impossible-triangle-343959925.