Fan Duct for Raise3D N2 Dual Extruder Used As Single Extruder
thingiverse
I have a dual-extruder N2, and have little interest in using the second extruder (I wish I had bought a single-extruder). This is an improved right-side fan duct for much better part cooling when only the left extruder is to be used. It directs All of the air from the right-side OEM 35mm fan onto the part, instead of wasting 3/4 of the airflow on cooling an unused heater. By moving one connector on the printhead, you can also program the fan speed in your slicer for perfect cooling. Note that it requires removal of the right nozzle and that clearances are tight. I moved the washers from outside the fan, to the left, inside the duct, to clear the cooling fins.
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