After I rebuild my hotend, I always calibrate my extruder esteps. Every extruder, nozzle, Bowden tube, heatbreak, and filament has a slightly different flow rate, so this is something that I do pretty frequently. The process is pretty simple and straightforward.
- Move the print head at least 100mm above the bed
- Using calipers, mark off (I use tape) a spot around 125mm on the filament
- Measure the exact length of the filament
- Command the extruder to extrude 100mm
- Measure the amount that is left
- Calculate the actual that was actually extruded
- Update rotation_distance for the extruder
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Thank you for the kind comment. I appreciate it.