Filament guide and dust cleaner V3 with extruder fan
thingiverse
Made this one for low and high filament spool holder. Just change the position of the wheel. If you found this useful, I noticed that the extruder went very hot due to lots of retracts. This led to filament jams in the extruder because the heat softened the PLA. With this additional ventilation, no more worries even at high ambient temperatures. There are 2 versions of the fan support: alone or with a cone to locate the air flow. please donate what you think it is worth to my paypal.me. Help cover the time of design. Thanks, Enjoy!
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