Fractals
Marius Roosendaal
Artist's web site http://www.mariusroosendaal.com.
Artist's Flickr photostream http://www.flickr.com/photos/mariusroosendaal/.
Penrose fractal
See also photomanipulated images by Marius Roosendaal.
The image was found at http://www.flickr.com/photos/mariusroosendaal/5453217328/.