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Based on Prusa MK3 R3 - updated Extruder with 40x40x20mm fan open Idler and improved airflow

by OPK

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20mm 40mm airflow cooling fan extruder fan flir mk3 nozzle prusa prusa i3 temperature updated 20mm 40mm airflow cooling fan extruder fan flir mk3 nozzle prusa prusa i3 temperature updated

This is based on the Prusa MK3 updated R3 (August 3, 2018) Extruder and has:
- 40x40x20mm Fan mounted without losing print volume
- Cooler Heatsink of Hotend due to improved airflow and more pressure
- Cooler extruder motor as some air flows into the idler compartment
- No heatcreep
- More air, more pressure, still silent and same printvolume
- Improved airflow by removing obstacles
- Before and after measurement done with Flir heatcamera

A BIG BIG thanks to the official Prusa design t

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