This piece is realized in Mandelbulb 3D, a tweak of  by

Virginia Fred

who herself tweaked from  by batjorge 
who himself tweaked from   by Undead-Academy


Mandelbulb3Dv18{
g.....K0..UG3...ET...II...ETZTZTS9R6.DRuRgfjCv1EmfDlzix/4.gsvZl6bsh..t48KapqzC/k
................................S7SXA66ahz1........Y.Zc.................t.2...wD
...Uz6/..E/K1.../EU0/....2Uq....U2....E4.....AmhUcVg0yoD/.......OOwF5lSIsq1.OaNa
.FEnAngD12../2...........AnAnAnAnAxjaNaNaNaN4z9............8.....w1...sD...../..
.zHnAnYDRvOo6DBKExnRwhGwnDUEzQSx.VpGRUmjnUV79MH.Ow9n3a07X0GEzkBmuZEv41pD2ADPofth
0x1OvXMEUt5Hz0EDKLwXP/oDU.....oMJ.............sD.2....sD..G.....................
.............oAnAt1...sD....zw1...................................UaZYxDT....k1.
.....Ksulz1.....X.E26wzzz5kB.U4.P/....3....H....0/.06E6..Uk5....d.....K/..E7fX5e
...U.etdqyTj4vuzJfRrzPisJ1BEnc..RKvh...Fbf24LNyD6QwRAgHzmz1.aTP4rlrwz0o.8..n3j9.
.EBqwnQahz9..u68YrpuzC...........6U0.6fgm0..0PJWp1PuzsEVjiO8eGyD............0c..
defi...8YqFpt/zjrAL9s6JkUz9.Lb94CSB..9m/8.EhpKv1.IdHDgFozz98.0aL.5mwz..UA8G3pA.k
/6U0.wzzz1...................................MMTg/U7EgU7QVEdLe5.oQm2oAb15erM.YXB
bYHNKo6To/.SlZo6.sFZF06.a.l0aww6NesS.M029MmGjA8dC0UZ9Ka7xyXRT/3.xRqHaMkHJa5N.QdW
YNW1OZaNQ/U7EgEJ...crIGJc7GoTuIdAHogi8qdZQaX.4rU................................
E../.I.//3E.....2....A....EEh3aSdtqNU6oPs/UPb31.......................k/9.......
...................wzYNaNaNaNavDaNaNaNaNkz1.....................................
................................................................................
.....................A.....3....1....wZFjl4NdtqN1FJNo7LMnE4.....................
06U...........................zD........kz1...................zD........U.2.....
...0./........zD........U.2...................zD................................
................................7....E/..../....T7pPo34RZFaFjl4NdtqN.A5.........
..........U/4M..........................................................kz1.....
................................................................................
..........................................k/....I....A....kLVF4N1/..X34P..EOiR4.
..........................................EaNaNaNaNxzoAnAnAnAnwD........2.I0DrTB
Khspz.........................................................................yD
........kz1..........................................U.....3....6....2IPVdLOiR46
HJbQa/...........................Q..4MU/.6...........MaNaNaNa7zDAnAnAnAHJz1BnAnA
nAHzz........C0k..................WB.DnAnAnAnQvD................................
................................................................}