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    90 degrees not 90 degrees…

    Scheduled Pinned Locked Moved
    Tuning and tweaking
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    • Nylkosundefined
      Nylkos
      last edited by

      My printer was built from scratch.
      I didn't have access to a 3D printer when I started and decided to mill some brackets by hand.
      Sadly, I am decent at building, not professional. I was planning to reprint the brackets once the printer was finished to increase the accuracy of my printer.

      Now I have noticed that a 90 degree bracket is more like a 92-95 degree…

      My question is, I know that there is a code to correct this. I have read it some where but I can't seem to find or recall where I had red that. Do any of you remembers it, and possibly a source for the math on how to use it properly?

      Thanks you for your assistance.

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      • deckingmanundefined
        deckingman
        last edited by

        https://duet3d.com/wiki/G-code#M556:_Axis_compensation

        Also take a look here https://reprappro.com/documentation/commissioning-introduction/calibration-duet/ and scroll down to "Orthogonal Axis Compensation". Th document is for the RepRapPro Ormerod but the principle is the same - that is, unless you've built a Delta.

        Ian
        https://somei3deas.wordpress.com/
        https://www.youtube.com/@deckingman

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        • Nylkosundefined
          Nylkos
          last edited by

          Perfect,

          I built a CoreXY and Thank you.

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          • deckingmanundefined
            deckingman
            last edited by

            As it is a CoreXY then, depending on how you've built it, it may be that the belt tension isn't equal. This can skew the X axis such that it isn't at right angles to the Y axis. One way to check is to push the X carriage all the way to the back of the frame and check that it is just touching, or that you have the same gap, at each end. If there is a gap or a lager gap on one side, adjust the belt tensions until it's equal.

            Ian
            https://somei3deas.wordpress.com/
            https://www.youtube.com/@deckingman

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            • Nylkosundefined
              Nylkos
              last edited by

              Will do thanks you

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