Layer fan duct
thingiverse
I've optimized this design to work seamlessly with the Da Vinci 1.0 Bowden mod found here: https://www.thingiverse.com/thing:1510425. I simply attach it to the carriage using 3M double-sided automotive tape and integrate it into the original always-on fan leads, but you can update the firmware for full control of this fan if needed.
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