Sunlu S8 Fan Duct
thingiverse
This fan duct serves as a direct replacement for the stock metal shroud that encircles the hot end on the Sunlu S8. It leverages the existing fans and LED, necessitating no additional parts. For those printing with PETG, enhanced part cooling on the nozzle's back side is crucial; unfortunately, the original shroud failed to provide sufficient airflow, resulting in inadequate filament cooling. I've included before-and-after images of a calibration cube printed using identical settings - the only distinction being the new cooling duct. As an added benefit, stringing has been virtually eliminated.
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