wortex

ok added thanks. CFFFP_Fan_Casing.3mf CFFFP_Mixer.3mf

yes underextrusion is happening on layer change i try before your advise( retract at layer change,enable coasting,haven't linear advance.spiralize outher counter) but not solved.i thing there is no any problem with the printer. Now i use purusa silecer no any problem.in the cura software this happens when the circular diameter gets bigger. The other parts written properly.nozzle 0.4 mm wall thicnes 0.8 mm

Hi ihave same problem cura 4.9.1 underextrusion on outher wall pla filament. Temp.190° and all cura setting is defoult 0.2 mm draft. Printer is steel i3 and there is no any problem except round surfaces. Has anyone encountered and solved this problem?