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Minimal Z-Autoleveling adapter

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  • z-sensor.stl

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3D model size X 11.8 Γ— Y 12.3 Γ— Z 8 mm
Publication date 2021-02-03 at 16:04
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Published to Thingiverse on: 2015-11-09 at 13:16
Design number 283263

3D printer file info

3D model description

I don't expect anyone actually printing this but I leave it here for inspiration.

A while back I added a mesh based levelling feature to Marlin. The normal bed levelling feature in Marlin was not good for my printer, first it would need some extra hardware and secondly it needs a flat surface (which i mathematically tilt) which my printer did not have because of the large build area (a RigidBot Big).

The mesh method I created was very manual, and now I wanted to make it a little bit automatic. It is still a little bit manual. My idea was to keep things small and simple. So this requires mounting a switch sensor on the hotend, in my case a Pico hotend. This is my simple design of a small adapter that I glued onto a micro switch endstop. So first one move the hotend up and manually mount the sensor on the hotend. Then run the probe sequence. After that remove the sensor and run a probe to find the right Z offset.

Do I need to say it should be mounted only when the hotend is cold?

My Marlin repo, containing configuration for a RigidBot Big + RAMPS 1.4 + BullDog XL + Pico hotend
https://github.com/epatel/MarlinDev/commit/7613a1511983f5239c60f62613cef6e32745bde6

X carriage
http://www.thingiverse.com/thing:994538

In use video
https://www.youtube.com/watch?v=eQUY-AaEBVE

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