Swirlbox 2D

Zoom into 2D version of swirbox fractal (in Ultra Fractal found in EM). In shallow areas it looks a bitt strange, but in deeper zooms it smooths. No antialiasing throught, becouse then it would render a bitt longer.
Its this thing:
www.fractalforums.com/new-theo...
As a phone used ossetian epic (?) song chermen:
files.realmusic.ru/download/96...