This is a question about

"A hybrid fan duct design for the Satsana fan, featuring a direct drive with dual gears and a volcano nozzle, along with a BL Touch sensor."

The redesign of the extruder mount by user Creative3DP on Cults3D.

https://cults3d.com/en/3d-model/tool/satsana-fan-duct-remix-for-dual-gear-direct-drive-with-volcano-nozzle-and-bl-tou/comments

It supports original screws, comes with Ender's thick Chinese metal dual-gear extruder, and Satsana series fan ducts. When printing with ABS, it is very sturdy.

I might change some aspects regarding stiffness and accuracy, but for now, it's working well for me.