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PLA stringing: temperature and retraction fixes

Symptom: Hair-like strands form between travel moves.

Most likely causes

  • Nozzle too hot
  • Retraction mismatch
  • Wet filament
  • Slow travel

Test in this order

  1. Print a temperature tower and choose the cleanest temperature with good bonding.
  2. Tune retraction in small increments for your extruder type.
  3. Dry the spool if stringing changed after storage.
  4. Increase travel speed without exceeding machine limits.
Stop changing multiple settings at once. Save the model, filament condition and room conditions, then change one variable and compare.

Relevant starting profiles

PLA settingsChoose your printer for a hardware-aware profilePLA+ settingsChoose your printer for a hardware-aware profileSilk PLA settingsChoose your printer for a hardware-aware profileWood PLA settingsChoose your printer for a hardware-aware profile

Reviewed 2026-07-22. Results vary by filament formulation, moisture, nozzle and slicer.