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 Flowrate

G28 ;Home G92 E0 ;Reset Extruder G1 Z2.0 F3000 ;Move Z Axis up M117 Extrude 100mm G1 X25 Y25 Z50 F5000.0 ;Move to TEST position G1 E100 F100 ;extrude 100mm of filament G1 Y0 F3000 ;Move Y Axis to 0 to indicate end of test M117 Complete!

M84 X Y E ;Disable all steppers but Z

M82 ;absolute extrusion mode ;End of Gcode