All in One - Flow ratio and shrinkage calibration
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Calibrate extrusion ratio and filament shrinkage with one print.
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NOTE: this is in a very beta state. Most times it works well but the odd times throws strange result. I'll look into this in time.
1. Ensure stepper motors are calibrated and X,Y, Z, E motion is exact
https://www.klipper3d.org/Rotation_Distance.html
2. Better results if Pressure Advance / Linear Advance has been calibrated
https://ellis3dp.com/Print-Tuning-Guide/articles/index_pressure_advance.html
3. Set all line widths in your slicer to your nozzle width (eg 0.4)
and set filament flow ratio to 1. For cleaner results you can set top surface flow ratio to 0.9
4. Set slicer to print outer walls first - more accurate - In Orca slicer choose "Outer/Inner" or "Inner/Outer/Inner"
5. Let printed part cool down (~5-10mins) and measure 1,2,3 from the image above and update all four values in green in the attached Excel workbook