FreeSprite Extruder fan duct
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7 model
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FreeMosquito Mount for EVA3 (Better Airflow + Extras)
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FreeFox Fang mod for better airflow
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FreeEnder 3 Cooling Fan Slightly Modified for better Airflow
Thingiverse
FreeFrenzyIncarnate's Hydra 40mm fan cover -Remixed for better airflow
Thingiverse
FreeSatsana mix MicroSwiss direct drive 5015 fan BL Touch better hottend cooling and no unwanted airflow at the part!
Thingiverse
FreeMINI+ minda S.P.I.N.D.A holder stress relief and better airflow for stock and dragon hotend
Printables