3). Extruder setup
For extruder setup, because we only need one extruder. That means we only need to have one setup.
Size: According to actual situation. For Pri3, nozzle diameter is 0.4mm.
Position: stop position when printing is complete. You can set up freely but do not exceed the printing area.
Retraction: after printing out 1 filament, the extruder will have a retraction. You can set up here though we
suggest we go with the defaults.
Advanced is for multiple extruders, you don't need to set up for 1 extruder.
C. filament setting
1). filament setup
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