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    y slope with 3.5.0-rc1, not seen with 3.4.6

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    • Adrian52undefined
      Adrian52 @balajiramani
      last edited by

      @balajiramani is a cube with 15% fill vertical for you?

      balajiramaniundefined 1 Reply Last reply Reply Quote 0
      • balajiramaniundefined
        balajiramani @Adrian52
        last edited by

        @Adrian52 Haven't tried that specifically. Let me try that and report back.

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        • balajiramaniundefined
          balajiramani @balajiramani
          last edited by balajiramani

          @balajiramani I just tried a cube with 15% infill (not sure how much that matters) with the 3.5.1rc1+ firmware. The slope is back. I am reverting back to 3.4.6 for now.

          Adrian52undefined 1 Reply Last reply Reply Quote 0
          • Adrian52undefined
            Adrian52 @balajiramani
            last edited by

            @balajiramani phew - glad it's not just me. I find zero fill (and no top) prints vertical - not tried other fill levels.

            balajiramaniundefined 1 Reply Last reply Reply Quote 0
            • balajiramaniundefined
              balajiramani @Adrian52
              last edited by

              @Adrian52 Are you using vase mode or regular mode with zero infill and no top surface? When I use vase mode for a cube that is longer in the X direction as compared to the Y direction, I get sloped prints. If the cube is longer in the Y direction, then it prints fine.

              Adrian52undefined 2 Replies Last reply Reply Quote 0
              • Adrian52undefined
                Adrian52 @balajiramani
                last edited by

                @balajiramani I have been using regular mode rather than vase mode. Will check out varying x:y ratio with no fill on my setup.

                1 Reply Last reply Reply Quote 0
                • Adrian52undefined
                  Adrian52 @balajiramani
                  last edited by

                  @balajiramani
                  tried with unfilled cuboids, with 3 perimeter walls :
                  30x20x20 (x, y, z) - very pronounced y slope, about 1.3mm over the 20mm z height.
                  20x30x20 - y slope almost gone, but still clearly there; about 0.3mm over 20mm z.
                  20x20x20 - rechecked this with exactly the same slicing as above, printed consecutively, and it comes out vertical.
                  What??

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                  • Adrian52undefined
                    Adrian52 @dc42
                    last edited by

                    @dc42 The problem has definitely returned. For me, the clearest demonstration of the y slope is using a 30x20x20 cube (x,y,z), printed with no fill and no top with 3 perimeters. Strangely, a 20x20x20 cube printed in the same way appears vertical. the 30x20x20 cube printed in vase mode has only a slight slope for me. I have just reverted to 3.4.6, and the same gcode file of 30x20x20 with 3 perimeters prints vertical.

                    dc42undefined 1 Reply Last reply Reply Quote 0
                    • dc42undefined
                      dc42 administrators @Adrian52
                      last edited by

                      @Adrian52 please try the firmware build at https://www.dropbox.com/scl/fo/gaxzegafmnmagaefo9mgc/h?rlkey=hk4wpttdje76oews8zkuh86q3&dl=0. It fixes a likely cause of this issue.

                      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

                      Adrian52undefined 1 Reply Last reply Reply Quote 0
                      • Adrian52undefined
                        Adrian52 @dc42
                        last edited by

                        --@dc42 thank you - I have tried the new version. Firstly, the y slope seems to have disappeared - excellent.
                        However, this version does not seem to play well with input shaping as I have it set.
                        When printing 30x20x20 cuboid with no fill and no top, extruder movement was sporadically irregular, which left little loops here and there on the corners.
                        The 30x20x20 cuboid with fill and top gave a very strange result - there was a ~1mm -y layer shift at z=7.3mm, with a very slight shift -x. I set IS to none from the console, and the cuboid printed perfectly. When I switched back to ie3 from the console, the cuboid printed with the layer shift at 7.3mm again. With a magnifying glass, the two layer shifted cuboids appear identical.
                        The other thing I noticed was an occasional graunching noise during the ie3 prints. This was quite brief (1sec?), and irregular, happening at 1- 3 min intervals. Not present when IS off.
                        I am printing pla on my delta with stand alone duet2wifi at 60mm/sec.

                        Adrian52undefined dc42undefined 2 Replies Last reply Reply Quote 0
                        • Adrian52undefined
                          Adrian52 @Adrian52
                          last edited by

                          @Adrian52 have revisited jerk settings, and find everything seems to work fine with 300 jerk. 3.5 seems to be much more sensitive to too high jerk.

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                          • Adrian52undefined Adrian52 has marked this topic as solved
                          • dc42undefined
                            dc42 administrators @Adrian52
                            last edited by

                            @Adrian52 were you using the M593 L parameter? If so, there was a bug in the processing of that parameter in that firmware.

                            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

                            Adrian52undefined 1 Reply Last reply Reply Quote 0
                            • Adrian52undefined
                              Adrian52 @dc42
                              last edited by

                              @dc42 I reported the L parameter problem in a separate thread. Currently I find prints look a little better with IS switched off - I suspect a slightly higher L parameter is needed, so looking forward to experimenting with rc2.

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                              • NeoDueundefined NeoDue referenced this topic
                              • Adrian52undefined
                                Adrian52
                                last edited by

                                The y slope has returned for me using 3.5.rc3+4(from 13th March).
                                similar to before, with about 1mm overhang on a 20mm high cuboid, sloping in the +y direction. X facing sides are vertical. Similar with filled or unfilled cuboid(I used 30x20x20 xyz). Running a kossel style delta with duet2wifi standalone.

                                balajiramaniundefined 1 Reply Last reply Reply Quote 0
                                • Phaedruxundefined Phaedrux has marked this topic as unsolved
                                • balajiramaniundefined
                                  balajiramani @Adrian52
                                  last edited by balajiramani

                                  Adding to this, I too am seeing layer shifts with the 3.5.0-rc3+4-mms firmware. In some cases, the problem occurs on the 1st layer itself and the nozzle digs into the bed. Here is a photo that shows it.

                                  PXL_20240315_140503520.jpg

                                  gloomyandyundefined 1 Reply Last reply Reply Quote 0
                                  • gloomyandyundefined
                                    gloomyandy @balajiramani
                                    last edited by

                                    @balajiramani Is your printer a delta? If not I doubt if your problem is the same as this one. You may be better off starting a new thread to discuss your issue.

                                    balajiramaniundefined 1 Reply Last reply Reply Quote 0
                                    • balajiramaniundefined
                                      balajiramani @gloomyandy
                                      last edited by

                                      @gloomyandy Yes, it is a delta.

                                      gloomyandyundefined 1 Reply Last reply Reply Quote 0
                                      • gloomyandyundefined
                                        gloomyandy @balajiramani
                                        last edited by

                                        @balajiramani Can you post a picture or link of what the print that you had fail (in the photo above) is supposed to look like? I'm trying to work out what happened. Unfortunately I know very little about deltas, but it might be worth you posting your config.g file so that we can take a look at your settings.

                                        balajiramaniundefined 1 Reply Last reply Reply Quote 0
                                        • balajiramaniundefined
                                          balajiramani @gloomyandy
                                          last edited by

                                          @gloomyandy Here is the first layer of the same gcode printer using 3.4.6.

                                          PXL_20240318_125557067.jpg

                                          With 3.5.0-rc, the nozzle digs into the bed.

                                          balajiramaniundefined 1 Reply Last reply Reply Quote 0
                                          • balajiramaniundefined
                                            balajiramani @balajiramani
                                            last edited by

                                            @balajiramani Here is another photo that shows the slope in the y direction.

                                            PXL_20240313_153345638.jpg

                                            The one on the left was printed with 3.5.0-rc and the one on the right was printed with 3.4.6.

                                            balajiramaniundefined 1 Reply Last reply Reply Quote 0
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