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    Interpolation not working?

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    • totalitarianundefined
      totalitarian
      last edited by

      Here is a video with interpolation for XY on

      https://photos.app.goo.gl/q4VtXA4V2IPvIREP2

      [[language]]
      M350 X16 Y16 I1; Configure microstepping with interpolation
      M350 Z16 E16 I1 ; Configure microstepping with interpolation
      
      

      and here is it switched off

      https://photos.app.goo.gl/oBtthk1semYXL9Q13

      [[language]]
      M350 X16 Y16 I0; Configure microstepping without interpolation
      M350 Z16 E16 I1 ; Configure microstepping with interpolation
      
      ```The videos show me jogging the head around via DWC
      
      I'll be honest, I can't tell much difference in terms of noise or motion. Is it not always obvious the affect interpolation has?
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      • dc42undefined
        dc42 administrators
        last edited by

        The effect of turning interpolation on/off varies with speed. On my delta it makes a lot of difference during printing, but much less during homing.

        Duet WiFi hardware designer and firmware engineer
        Please do not ask me for Duet support via PM or email, use the forum
        http://www.escher3d.com, https://miscsolutions.wordpress.com

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        • peirofundefined
          peirof
          last edited by

          I can't see the difference… Someone hace a printed object with /without interpolation?

          dc42... In what kind of prints it's more useful interpolation? And when it's no recomendable his use? What drawbacks have?

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          • dc42undefined
            dc42 administrators
            last edited by

            The main benefit of interpolation from x16 to x256 microstepping is that it makes the printer much quieter. I don't expect it to affect print quality at all.

            Duet WiFi hardware designer and firmware engineer
            Please do not ask me for Duet support via PM or email, use the forum
            http://www.escher3d.com, https://miscsolutions.wordpress.com

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            • DjDemonDundefined
              DjDemonD
              last edited by

              I can quite happily confirm that whilst for the last 18 months or so (has it been that long?) I've used 1/16th interpolated for all axes, I did have a period recently of using 1/4 for extruder which turns off interpolation for XYZ. It was a lot noisier but printed exactly the same.

              Simon. Precision Piezo Z-Probe Technology
              www.precisionpiezo.co.uk
              PT1000 cartridge sensors NOW IN, just attach to your Duet board directly!

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