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    Lack of extrusion?

    Scheduled Pinned Locked Moved
    Tuning and tweaking
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    • Blacksheep99undefined
      Blacksheep99 @CTRDevelopments
      last edited by

      @ctrdevelopments what retraction are you running on the Hemera? It barely needs any at all. Mine is at 0.2mm as an example.

      CTRDevelopmentsundefined 1 Reply Last reply Reply Quote 0
      • CTRDevelopmentsundefined
        CTRDevelopments @Blacksheep99
        last edited by

        @blacksheep99 so, I am using 1.4 mm retraction, I can try lowering that (35mm/s speed also)

        @Phaedrux yes, I have that selected, again I will try that

        I have just started a 2 days print so will tweak after that

        many thanks both

        Cheers

        Blacksheep99undefined 1 Reply Last reply Reply Quote 0
        • Blacksheep99undefined
          Blacksheep99 @CTRDevelopments
          last edited by

          @ctrdevelopments That’s way too much for a Hemera. I run the same speed. Try 0.3mm and see if that helps. You can tune from there if needs be.

          CTRDevelopmentsundefined 1 Reply Last reply Reply Quote 0
          • CTRDevelopmentsundefined
            CTRDevelopments @Blacksheep99
            last edited by

            So, retraction at 0.3 got probably 90% of the way there. Will try the perimeters next

            Blacksheep99undefined 1 Reply Last reply Reply Quote 1
            • Blacksheep99undefined
              Blacksheep99 @CTRDevelopments
              last edited by

              @ctrdevelopments Good to hear. The other thing to check is the tension on the filament. It’s hard to tell on the Hemera.

              CTRDevelopmentsundefined 1 Reply Last reply Reply Quote 0
              • CTRDevelopmentsundefined
                CTRDevelopments @Blacksheep99
                last edited by

                @blacksheep99 OK, so perimeters have now eradicated it completely. I am however getting a bleed through of the infill into the outer walls. I am printing 3 outer walls (0.8mm nozzle) and only 5% infill (the wavy prusa slicer one). I didnt have this before but not sure if it is linked to the changes or not as I have swapped to fiberlogy filament as I ran out of the 3DFilaprint PETG large spools

                Blacksheep99undefined 1 Reply Last reply Reply Quote 0
                • Blacksheep99undefined
                  Blacksheep99 @CTRDevelopments
                  last edited by

                  @ctrdevelopments what's your overlap percentage in PS?

                  CTRDevelopmentsundefined 1 Reply Last reply Reply Quote 0
                  • CTRDevelopmentsundefined
                    CTRDevelopments @Blacksheep99
                    last edited by

                    @blacksheep99 25%

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                    • Phaedruxundefined
                      Phaedrux Moderator
                      last edited by

                      Try 20% instead. Also I'm not sure which infill type you mean. Perhaps choose something more standard like rectilinear, or grid, or cubic.

                      Z-Bot CoreXY Build | Thingiverse Profile

                      CTRDevelopmentsundefined 1 Reply Last reply Reply Quote 0
                      • CTRDevelopmentsundefined
                        CTRDevelopments @Phaedrux
                        last edited by

                        @phaedrux 20% was much improved. I am now going to try 18% as still some very slight marks. The prints take a few days each so feedback is not the fastest, but it is a good test. Thanks for help

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