ANTCLABS BLTouch Auto Bed Leveling Sensor

  • BLTouch is an auto-leveling sensor for 3D Printers based on open-source.
  • Simple, Smart, High-precision.
  • It could work with any kinds of bed materials, such as glasses, woods, metals, and so on.
  • Come with 1m extension cable set
  • [Note] Firmware Update: This item requires a firmware update. Please check the manufacturer’s instruction page:
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The main functions and controls of BLTouch are the same as the usual auto bed leveling sensor, which consists of an RC servo and microswitch. Thus, BLTouch can be applied on almost every board.

BLTouch fulfilled simple structure and high precision by using progressively designed solenoid and hall sensor and aimed user convenience and enjoyable printing by adding many smart functions, self-test, alarm, alarm release, test mode for M119.


  • Simple: BLTouch can be easily applied since it has a small and simple structure. Gathering information and firmware settings will be an easy task because BLTouch works as usual auto bed leveling sensor.
  • Self-test: The push pin is operated three times to test when the power is on.
  • Alarm: The LED light blinks if a problem found on a self-test or on an operation.
  • High-precision: BLTouch’s Standard Deviation in repeatability is around 0.005mm.