E Step Ruler

A Ruler for measuring and marking your filament when calibrating eSteps.

Want to remix or customize it for yourself?
Here is the link to the cad file on OnShape
https://cad.onshape.com/documents/f0ababf6b90d6311249cde8c/w/7abc33552439b778ebc3a4fc/e/2171c249687297d8d1bf3b57

Here is some gCode that I run from an SD card when calibrating eSteps on my CR10

********************************************************
:M92 E100.00 ; Calibrated on 12/28/2019
M92 E104.00 ; Calibrated on 1/28/2020

;Default eSteps for CR10 is 93 steps/mm
;Uncomment the following to return to default value
;M92 93.00

;Save setting to EEPROM
M500

M104 S225
M109 S225
M82 ;absolute extrusion mode
M201 X500.00 Y500.00 Z100.00 E5000.00 ;Setup machine max acceleration
M203 X500.00 Y500.00 Z10.00 E50.00 ;Setup machine max feedrate
M204 P500.00 R1000.00 T500.00 ;Setup Print/Retract/Travel acceleration
M205 X8.00 Y8.00 Z0.40 E5.00 ;Setup Jerk
M220 S100 ;Reset Feedrate
M221 S100 ;Reset Flowr