The question "What is a fractal?" is notorious in the fractal community. In truth, there is no consensus, no formal definition that suits all of the ways the word gets used. Currently, my favorite definition of fractal is simply "Detailed at every level".
About ArtStation Art Posters
ArtStation Art Posters are a giant leap above standard posters by offering superior print quality and finish. Enjoy rich, vibrant colors with a beautiful satin finish that make artworks pop. ArtStation Art Posters are giclee printed on heavy 240gsm premium satin paper with a waterproof, micro-porous, resin coated surface. Archival pigment inks provide light-fade resistance for generations.