Ender 3 Custom Cooling Fan Duct (Stock Parts Only)
Description
10-24-19 Update: Added model with slightly more clearance to nozzle and adjusted mounting holes to go closer in the axis direction toward the nozzle. Minor update since 10-9-19: -slightly improved clearance for mounting holes for leeway to mount higher and more snug to fan -slightly cut short bottom of duct to improve clearance and account for wiggle room from stock Ender 3 fan case that could cause it to be too low A decent fan duct that uses only the stock Ender 3 parts only. The vents should direct airflow mostly below the nozzle at the extruding plastic. Make sure not to tighten the bottom two bolts too tightly to avoid breaking the mounting holes (~half a turn once you feel resistance). Tip: If you find the fan duct rubs against the plastic coming out of the nozzle, you can try loosening the two screws that fix the whole hot end fan case to the gantry, push it up higher, then tighten the screws so the whole setup is slightly higher up. Liking, sharing your makes, or tips will motivate me to make more things!
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