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eadiecd

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  1. Hello, I am wondering how exactly the "compatible material diameter" parameter under "Machine settings" --> "Nozzle settings" affects the extrusion commands generated by Cura. I was unable to find a precise answer in the documentation or online. The reason I ask is that I have an ender 3 that has been modified with a stepper-motor driven paste extruder. I have my steps/mm tuned such that when I send simple commands through repetier such as "G1 E20", I get reasonably close to 20mm of material extruded out of the 1.83mm diameter nozzle (it's tough to tune exactly because of the poor start/stop control of the extruder). However, I'm trying to make a Cura profile for simple geometries, and I'm noticing the "compatible material diameter" value has an impact on the extrusion commands in the GCode. I don't have any confidence in the GCode I'm generating in Cura despite having tuned the printer, because I have no understanding of how this value is impacting the code and what I should set it to for my needs. Currently I just have it set to 1.83, the same as my nozzle size, which seems to be yielding reasonable results, but I'd like to know for sure that Cura is using proper extrusion rates. I'm using Cura 4.8.0. Best, Chris
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