MM2 PSU Fan Duct and Y Stepper Cooler
thingiverse
The duct is securely fastened to prevent air from the PSU escaping freely; instead, it's redirected to cool the Y Stepper. This method is advantageous because the PSU operates at a lower temperature than the Y Stepper, providing effective cooling without requiring an additional fan. Moreover, it safeguards the PSU against debris damage. To install the Y Stepper on the opposite side of the MM2 (which reverses the stepper's direction), follow these steps: remove the fan screws, attach the duct, and tighten both screws securely.
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