What is Auto Bed Leveling (ABL)?

ABL (Auto Bed Leveling) is automatic bed flatness calibration. The printer measures bed height at many points and compensates Z during printing.

ABL methods

  • BLTouch / CRTouch - touch sensor
  • Inductive - metal bed
  • Eddy current - Bambu Lab newer
  • Piezo - nozzle pressure

ABL vs. MBL

ABL = automatic. MBL = manual measurement without sensor.

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