Thanks PurpleBlu3s!
It's an hybrid made in Mandelbulb3D, it uses two formulas: Mandelbulb (power 5), and a formula suggested by me, named "KaliLinComb" by the program's author.
If you are already familiar with Mandelbulb3D, below are the parameters.
Thanks for your interest!
@Paul: here you are too, if you want to bite some
Mandelbulb3Dv16{
N.....x/...g2...w....26...E3rsz1vbDyzeG/AP5x020EWuDwED3sOynrbi8l82HdzSPzPKehz.yj
................................lxDV3g2LA.2........A./..................7/2.....
................/M.08....6UL1...t/...2E2.....kzekERouCnD/..........c./...w1.BnAn
x.UaNadD....1..........wz........................................y1...sD...../..
.w1...sDkjVf0oEHGxXQIPy/BULDzsWkaqRc/ziDe5wYdc8PuwvFE05GNX/IzQkk1Yq2O8oDEKcpGbX8
ewH.nIclziKEziJ3YRsuZ3pD......YYc.....................sD.2kz....................
..............................LR.7.0q/Y.UO5E0UnR.7.or/Y.cV5E0.ES.7..............
.....................wzzz1kG.I4......2/....C....G....E0....F....8/...o1....UJl2A
...U.q5..wDU.0kzhtZIz1....6.lc..zzzz.s0alwF.HWzDKjySnbinOz1..........2.28.kFrA0.
FWb96aAIVzvh1se7Umvxz0........../6U0.wzzz1................................E.0c..
zzzz.................................2U.8.kzzzD.................................
/6U0.wzzz1....................................8cU0.cU08.zz/cU08.U08c.szDU08c..8c
U0EzT/8cU0.cU08.Qs5cU08.U08c..bTU08c..8cU0.ly/8cU0.cU08.Mw5cU08.U08c.kqTU08c..8c
U0.kz/8cU0.cU08....cU08.zz/cU08.yz1cU08.xz3cU08.................................
E2...6........sD.....6....EGiFLNbJaQU.pPrJaQ.........................c..........
...................3./........zD................................................
................................................................................
..........................23..../....gIMgZ4HdtqEjpaMHBJFmALP....................
0............................U.E................................................
................................................................................
................................}