This image was made by overlaying a Xaos animation over a handmade negative by Loris Menegazzi.
Here is the .xpf file I used:
;Position file automatically generated by XaoS 3.4
; - a realtime interactive fractal zoomer
;Use xaos -load <filename> to display it
(initstate)
(filter ‘palette #t)
(filter ‘emboss #t)
(filter ‘threed #t)
(filter ‘edge #t)
(palette 3 2011366546 117)
(shiftpalette -7)
(formula ‘barnsley2)
(periodicity #f)
(angle 151.88)
(autorotate #t)
(view 0 0 2.5 5.5)