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    Uneven/bulging layers

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    Tuning and tweaking
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    • spettundefined
      spett
      last edited by

      Getting uneven layers/bulging layers printing with PLA (not tried anything other). Vasemode gies perfect prints.
      I'm little lost here, could it be because of long bowden tube? (~1meter) Do I need more cooling? I do have two 40mm fans directed on the model.
      Any suggestions is greatly appreciated!

      I have a DIY printer with kraken hotend and titan extruders controlled by duet ethernet. The frame is a very sturdy milled alu frame and all axes have THK square linear rails.
      20200331_130731.jpg
      20200331_130746.jpg 20200331_130851.jpg 20200331_130945.jpg

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      • timcurtis67undefined
        timcurtis67
        last edited by timcurtis67

        Vase mode prints in one direction only. Regular prints move the head in both directions. Which is why you see issues when printing regular prints.

        I would say this is a backlash type mechanical issue. Check for loose pulleys, belts, ect.

        Could also need to be tuned with pressure advance to compensate for the long bowden tube.

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