
Bear Extruder (EXXA) Improved Nozzle Visibility Fan Duct Upgrade
thingiverse
After upgrading my Prusa i3 MK3S+ to the Bear Extruder and X-Axis (EXXA 1.0.0 MK2.5S, MK3S, MK3S+) I found that the Fan Duct covered all visibility of the nozzle making it very difficult to diagnose first layer issues. I re-mixed this design to improve visibility and it seems to improve the cooling as well. I did NOT do an airflow analysis on this design but I did print a few cooling towers and this design seemed to improve the cooling. NOTE: I suggest that you print in the orientation shown and "paint on" supports also as shown using Prusa Slicer. I printed this in PETG.
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