Requires relocation of fan and removal of fan mount.
https://www.thingiverse.com/thing:4829978
https://www.prusaprinters.org/prints/75539-i3-mk3s-fan-relocation
Clean up print where extension seats into OEM holder.
Put Z in home position. Measure Pinda height (business cards). Remove Pinda & remove OEM fan mount. Install bracket Used small channel lock plies to seat all the way.
Be careful not damage OEM holder. Install Pinda & set height.
Calibrate: ** DO NOT RUN WIZARD **
Turn on and run first layer calibration.
Check screws from time to time. A small amount of glue between bracket and OEM housing will keep bracket from swinging.
The author hasn't provided the model origin yet.
