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CNC Alignment Collar for Dial Indicator (3020 3040 3060)!

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3D model description

This design was created to help adjust the GRBL setting by precisely measuring the movement of each axis as well as the repeatably of these moves so we could "average" out the GRBL values/ I also highly recommend Clockwise Tools DIGR-0105 Electronic Digital Indicator Gage Gauge Inch/Metric Conversion 0-1 Inch/25.4 mm with Back Lug Auto Off Featured Measuring Tool: ( along with the Clockwise Tools DTCR-01 RS232 (USB) Digital Indicator Data Transfer Cable ( to allow the readings to imported to the computer for statistical measurement.

Note 1: this model is not fully parametric as the individual requirement for the X/Y support arms vary to need rather being fixed to the model. I designed this for an 800 watt water cooled spindle (65mm) and tested down to a 400 watt size (52mm and up to 75mm) out side of that the strut size must be manually adjust.

Note 1: The STL which is in the file is the one you see and will fit a 3040 CNC with 800 watt water cooled spindle so no need to use the customizer is this what you have. Also it will likely work on a 3020 and 3060 with same size spindle.

Also, please follow us on Thingiverse and give this a like if this came in handy and for more information on this project, please visit us at as well as subscribe to our YouTube Channel at along with a visit to our drone site and YouTube channel at

If you are looking for one of a kind swag shop for yourself or a Maker Geek friend, visit our swag shop at for unique 3D Printing, Laser Cutting and CNC swag! Too, if you want a behind the scene look at what we are working on be sure to follow us on Instagram (!

3D printer file information

  • 3D design format: SCAD and STL Folder details Close
    • CNC_Indicator_Collar_v3.scad
    • CNC_Indicator_Collar_v3.stl

    Learn more about the formats

  • Publication date: 2020/05/12 at 17:02





Focused on small scale and home manufacturing utilizing digital desktop technology such as 3D printing, CNC, and Laser cutting...

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