Filament quality troubleshooting guide Underneath are the most common issues regarding the quality of your filament presented. Select the problem that looks similar like you encounter. Nozzle Build-up Bumps/particles in Filament Output Too Low or Too Thin Polymer Degradation Abnormal Smoke Production Output Is Too Liquid Filament Thickness Deviation (Inconsistent diameter) Oval Or Flat Filament Air Bubbles Or Holes In Filament Rough Filament Surface
