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    Should I even try higher than 16x microstepping?

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    Tuning and tweaking
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    • DjDemonDundefined
      DjDemonD
      last edited by

      That does look much nicer. My point above was that as long as there is enough torque to turn the extruder at this higher microstepping, then there's no reason not to use higher microstepping.

      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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      • deckingmanundefined
        deckingman
        last edited by

        I'm not saying that there isn't a difference but there seem to be too many variables. Different parts (or different sides of the same part), different filaments, as well as different micro stepping. For a true comparison, you really ought to change just one thing. i.e. to evaluate the effect of micro stepping, change only the micro stepping but keep everything else the same. Please don't take this the wrong way, I'm not trying to criticise. Ian

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

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        • DjDemonDundefined
          DjDemonD
          last edited by

          How about going the other way, can you set 1/8th and try again?

          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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          • dc42undefined
            dc42 administrators
            last edited by

            For a direct drive extruder with about 100 steps/mm at 16x microstepping, you could even increase microstepping to 256x.

            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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            • InSanityundefined
              InSanity
              last edited by

              I'm running my direct drive extruders with 200 steps/mm at 128x with good results. Actually everything on the printer is running at 128x with good results.

              Duet WiFi Powered FFCP with E3D legends hotend system. BLTouch grid leveling.

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              • Sethipusundefined
                Sethipus
                last edited by

                I changed it to 64x, and the surface quality turned yet more even and the artifacts smaller and closer together than they had been at 32x. The quality difference certainly diminishes though. I can hardly wait to use my 4:1 belted extruders that I just built for my D-bot.

                One more thing I noticed is that the walls printed with clear PETG became more transparent. I think the reason is that with the pulsing artifacts reduced, the surface of these walls is more even, so the light going through them is less scattered.

                I may try 128x or higher this evening.

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                • InSanityundefined
                  InSanity
                  last edited by

                  I noticed the largest difference going from 1.8 deg/step motors to 0.9 deg/step. Toss in 128x or 256x stepping and it's even better.

                  Duet WiFi Powered FFCP with E3D legends hotend system. BLTouch grid leveling.

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                  • T3P3Tonyundefined
                    T3P3Tony administrators
                    last edited by

                    As an aside the variation in translucency that you see in PETG etc is being used in a really cool way:

                    https://plus.google.com/s/%23VelocityPainting/top


                    Picture from Mark Wheadon (https://plus.google.com/+MarkWheadon/posts/9xdtMh3en7S)

                    www.duet3d.com

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                    • deckingmanundefined
                      deckingman
                      last edited by

                      Wow Tony. Thanks for sharing the link. - Now THAT is clever.

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

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                      • Sethipusundefined
                        Sethipus
                        last edited by

                        Holy crap that's awesome! I love how he's getting those faces on there.

                        This is kind of wierd but I've never printed a vase yet. I should try that, and then see if I can get that velocity painting to work. That's just too cool.

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