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PETG not sticking to the bed

Symptom: The first layer lifts, curls or follows the nozzle.

Most likely causes

  • Wrong Z offset
  • Contaminated plate
  • First layer too fast
  • Bed below the filament maker’s range

Test in this order

  1. Wash the plate with dish soap and water; avoid touching the print area.
  2. Recheck Z offset with a wide single-layer test.
  3. Slow the first layer to 15–25 mm/s.
  4. Raise bed temperature in 5°C steps without exceeding the plate or printer limit.
Stop changing multiple settings at once. Save the model, filament condition and room conditions, then change one variable and compare.

Relevant starting profiles

PETG settingsChoose your printer for a hardware-aware profile

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