What is oozing in 3D printing?

Oozing = filament leaking from the nozzle during idle time. Causes stringing, model contamination, drops on the surface. Solved with retraction.

Causes

  • High temperature
  • Wet filament
  • Weak retraction
  • Bad Pressure Advance

Solution

Calibrate retraction, lower temperature by 5-10 °C, dry filament in dryer.

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