Ink and pencil
Joshua Vela (bildmann)
Artist's profile at Behance Network http://www.behance.net/bildmann.
Penrose Triangle + Dotwork
The image was found at http://www.behance.net/gallery/Dotwork-Geometric/9679875.
Impossible World
Artist's profile at Behance Network http://www.behance.net/bildmann.
Penrose Triangle + Dotwork
The image was found at http://www.behance.net/gallery/Dotwork-Geometric/9679875.