Extrusion Calibration Tool
thingiverse
This is a simple tool that can be used to mark your printer filament when calibrating your extruder eSteps. It allows you to feed the filament into the tool and mark at 100 and 125 mm with a sharpie. It is meant to be used with 1.75mm filament. It is easier than using some calipers, especially if yours are in inches like mine.
Download Model from thingiverse
With this file you will be able to print Extrusion Calibration Tool with your 3D printer. Click on the button and save the file on your computer to work, edit or customize your design. You can also find more 3D designs for printers on Extrusion Calibration Tool.