Hot End Fan Duct
thingiverse
Here is the rewritten text. Fan started making grinding noises after second print, then Googled to find out it's because fine strands of filament get sucked in. Made simple duct to prevent it from happening again. Also believe it helps with cooling since it's no longer pulling hot air off bed. Version 2 is more rounded out with a little more area for more airflow. Version 3: Easter special Version 4: Narwhal Version 5: Richard adds fan silencer that seems to increase air velocity as well reduce noise. Original silencer here https://www.thingiverse.com/thing3597687
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