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Eddiie
I would like to see something similar for Load / Unload filament that basically heats up the head to xxx then extrudes or retracts yyyy length.
How do I add this to Marlin? Is it easy enough to do?
You just need to enable this in Configuration_adv.h Specifically, turn on the #define ADVANCED_PAUSE_FEATURE and set the Filament change numbers to what you need. It should be in the LCD Menus at that point.