These G-Code files help you to easily feed 200 mm of filament through your nozzle at different flow rates in order to adjust your Idler tension. Just copy the files onto your SD card, pre-heat your hotend and select the one you want.
Depending on your setup, here's some advise, which one to chose
5 mm³/s : One-sided bowden extruders
10 mm³/s: Direct extruders with standard hotend
20 mm³/s: Direct extruders with high flow hotend
The author marked this model as their own original creation.