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3D Touch Sensor

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3DTouch is an auto-leveling sensor for 3D Printers that can precisely measure the tilt of your print surface. It can greatly improve the printing precision of your 3D Printer. 


3DTouch features simple, smart and precise. It could work with nearly any kind of bed materials, such as glasses, woods, metals and so on.

The main functions and controls of 3DTouch are the same as most auto bed leveling sensors, which consists of an RC servo and a microswitch, thus, 3DTouch can be used on almost every 3D printer control board. 

 By using a progressively designed solenoid and hall sensor, 3DTouch can integrate high precision in such a simple structure. To make it more user-friendly and to bring you more enjoyable printing experience we add many smart functions such as self-test, false alarm, alarm release and test mode for M119.


1 Simple

3DTouch can be easily applied since it has a small and simple structure. Gathering information & firmware setting will be an easy task because 3DTouch works as usual auto bed leveling sensor.

2 Smart

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 

3 High-precision 

3DTouch’s Standard Deviation in repeatability is around 0.005mm, at that precise.

If you choose 3DTouch, your 3D printer will be a high-class masterpiece, giving you an enjoyable experience.

 4. Innovative Solenoid: Ultra Power Saving

On idle state, while the push-pin is whether pulled out or retracted, there is not any electric current flowing on the solenoid, and standby electric current in the whole device is below 15mA on average, whereas on working state, while the pin is moving in sudden about 100ms, under 300mA flows in the device.

Low power consumption even further drops joule heating, preventing heat problem.

5 Technologies 

3DTouch consists of Atmel ATtiny13A, solenoid, and a push pin.

6 wide Selection of Bed

3DTouch does not use either optical nor proximity (inductive/capacitive) sensor.

3DTouch is controlled by Hall Effect, providing high precision. Thus the bed material can be selected freely.

7 Optimized structure:  Larger Build Size

3DTouch is a small and technology-intensive one. Build size can be set larger than other existing auto bed leveling sensor.

3DTouch uses existing RC Servo motor signal intact, so just plug 3DTouch on the same pins after removing servo motor.

Please note that:

3D touch auto leveling sensor is not plug_and_play; you will need to do some modification to your

firmware and for some control board, 

you may need to do some soldering work to the connector. We have prepared the pins for you. 

For detailed instructions, please refer to the user manual. If you need any help, please feel free to contact us.

For more detailed information, please refer to wiki

3DTouch auto leveling sensor User Manual.rar

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