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How to avoid travels inside model?


karabas

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Posted · How to avoid travels inside model?

I print bented tubes for woodwind musical instruments. Any strings inside are very problematic to remove in postprocessing. I tried many combinations with combing. I still got many travels inside. Is there any way to force nozzle move around?

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    Posted · How to avoid travels inside model?

    Thanks.

    I made a couple of changes I thought might help and I'm attaching my effort.  It looks pretty good and I don't see any moves through the interior of the tube.

    I moved the part so the bottom of the gooseneck is at about the midpoint of the build plate.  Using "Z seam relative" with the location at X0 Y0 puts the Z seam direction at the midpoint of the part.  When the part splits and start printing as islands the Z seam of both islands face inward towards each other.  I did the same with the Layer Start X and Y.

    Enabling "Avoid Supports When Traveling" also made a difference for the area where the lower support has split into islands.  I set the "Travel Avoid Distance" to 3mm.

     

     

     

     

    GV_neck.3mf

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    Posted (edited) · How to avoid travels inside model?

    The best I've been able to do is 1 move across the tube and it has to do with the support.  I moved the Z seam and layer start to the left front corner of the build plate.

     

    GV2_neck.3mf

    Edited by GregValiant
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    Posted · How to avoid travels inside model?

    Wow @GregValiant to the rescue! Amazing. 🎉

    I have nothing to add except maybe if you want to learn more about what the different settings do you can install the Settings Guide from the marketplace: https://marketplace.ultimaker.com/app/cura/plugins/Ghostkeeper/SettingsGuide2

     

    In this case I would specifically look at Combing. 
    Good luck and happy printing! 😃

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