Rendering

Steven Cihlar (essemcee)

Here, hatch patterns on sides of impossible triangle are parallel to border of one of neighbour sides.

Artist's deviantART profile http://essemcee.deviantart.com

Salute The Impossible
Salute The Impossible

The image was found at http://essemcee.deviantart.com/art/Salute-the-Impossible-164774430