This is an update to my previous part cooling duct that is specifically designed to fit on @pekcitron's Bear Extruder and X axis (https://www.thingiverse.com/thing:3226689).
I recommend printing in one material 'better' that your usual printing material. i.e. Print in PETG if you mainly print PLA, ABS if you mainly print PETG and Polycarbonate if you print ABS etc.
Please note there is a tab that fits behind the extruder cover, this should hold the duct in place but you should also screw it in place too! It's easier to put the the duct on the fan first, then screw both the fan and duct into the extruder cover.
Source Fusion360 files included.
Thanks to Gregsaun for the awesome Bear Project!
Edit: STP file uploaded
- Smaller than my last design
- Uses only 2 exits
- Taller internals
- Slight offset of the inlet ramps to hopefully* allow better redirection of the blower exit
- finally there is a optional small nozzle viewing window (and a simple version without).
It performs better then Version 1 especially at the rear