Extruder Moter E Step Calibration Tool
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200mm E Step calibration Test Designed with a 1.8mm channel to keep the filament straight and flat for easy testing.
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Model information
- Source
- Printables
- Category
- Test Models
- License
- Creative Commons — Attribution — Noncommercial
A fixture to calibrate the E steps of your extruder motor.
Insert a length of filament into the 1.8mm hole.
Make a mark at 200mm and 210mm.
Tell your printer to extrude 200mm of filament
Measure the difference between your mark and the 200mm point. (the 210mm mark is there in case you over extrude into your print head.)
Use this equation to find your new E step value:
New E-steps = (Actual extrusion length / Requested extrusion length) * Current E-steps
Repeat multiple times for best results.
Using 200mm (or more), instead of the traditional 100mm, compounds the error making it more noticeable during testing and measuring. Making the new E step value more accurate.
If the hole is too tight, increase the scale of the model slightly in the width and height, but do not scale the length.
Print at .2mm layer height.