Cooler for Prusa i3 mk3/s orig ExtMotor and Noctua fan
Description
Cooler (fanmount and fanduct) for prusa i3 mk3 original extruder motor and Noctua NF-A4x20. Even printer does handle heat of steppers well, i noticed that during summer when printing PETG stepper motor gets pretty hot so i decided prolong its lifespan by a bit cooling. After installed this, temperature went down significantly. This fan does nice flow and is perfectly silent. If you orient its cable to right side from front view to a printer, you can fit it in provided cable holder and lead it with usual printer cable out of extruder and not be bothered with extra wiring. During testing and next three months i just hanged cable on spring lever from above and worked too. Front plate of motor is left open as you might use extruder visualizer or passive cooler (not needed necessary, especialy after using this cooler). To complete print you put two pegs in holes (for better allign of parts) and glue them and glue everything together. I used CA glue. When you have all parts together place fan and screw it lightly by nuts to fit (cables facing side with holder channel). Whole thing you can spread from bottom and side-slide from front of printer on extruder motor body. It should fit nicely with decend tolerance to easily put it on or remove.
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