On the parameters of dimension says:
Activate dimension, activate
Absolute extrusion distance, activate
Relative extrusion distance, off
Extruder retraction spedd (mm/s) 0,0
Filament diameter (mm) 2,8
Filament packing densiti (ratio) 0,85
Retraction distance (milimeters) 0,0
Restart extra distance ( milimeters) 0,0
What can i do?