Ender 3 Pro Mainboard Case Fan Duct dual
Description
Since i wanted to quiet my printer, i came up with that idea to utilise 2 fans with 12V in parallel i had laying around. So i modded the original Ender 3 Pro Mainboard Metal Cover to fit two fans and directly blow onto the stepper heat sinks. Of course also used a step-down converter to run the 12V fans at 8V, so that they are very quiet now. Additionally used TPU dampers as distance holders.
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