Quadrat structures

2nd entry for the 24th MB teaser group with rules set by the last winner See rules here: 24th Mandelbulb 3D Teaser!!!Here are the Rules for the 24th MB3D Teaser  :iconmandelbulb3dteasers: by the winner of 23rd Teaser Sabine :iconsabine62:
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Rules by Sabine :iconsabine62:
Let's explore one of our runner-ups :icongannjondal:'s favourites: Quadrat3d,
another of those formulae that could do with some more attention and TLC.
Gannjondal has written a fabulous tutorial about how to tame this dragon of a formula:
Cage The Dragon - Final Tutorial Result (picture) by gannjondal
Next to Quadrat3D you may use one formula from the 3Da-tab and one from the Ads-tabs as a maximum,
f.i. JCube3/Quadrat3D/_RotatedFolding
Browny points for ending up somewhere distinctly different from the final result of Gannjondals tutorial!
Julia/fog/dof/backgrounds/lighting are all optional.
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Please submit your deviations in the  "24th Teaser"
Mandelbulb 3D 189. ABoxVSWavy, Quadrat3D and _LogY

EDIT: Oh my god, a DD My 4th by now. Many many thanks to for the suggestion and for the feature
Thank you all for your faves, comments and you all people for your support!

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{Titel: QS}