Inline 4 inch Booster Fan using 120mm CPU Fans
cults3d
This was designed to replace an inline booster fan i purchased. I found the fan was far too noisy for my office and wanted a more silent solution that didnt break the bank. It uses 4 x 120mm 12VDC CPU fans. The CFM is close the booster fan i replaced but the pressure wasnt as strong. Seems to ventilate my resin printer fairly decently, while being much quieter. For Hardware: 4 : 120mm CPU Fans 1: 12VDC power supply (make sure to calculate the power required for the 4 fans). 16 : 8-32x1.5" machine screws 16 : 8-32 nuts with washers. The "Nut Gasket" models have a recessed cutout for the nut so you should only need a screw driver to install everything Once all the pieces are together i used duct tape for all the seems and gaps.
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