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Strange Infill generated outside Model Issue


dannysltang
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Posted · Strange Infill generated outside Model Issue

Hey Guys, I have been using cura for more than 3 years now and recently ran into a really strange behavior after slicing one of my model. Infills are generated outside the model and also at specific layers in mid air. 

 

I am using the latest Cura version of 4.8 and I have sliced this exact same model on older versions without any issues. What makes it weirder is that the locations of these floating infills randomly shifts as I tweak the slicer settings such as infill%, infill pattern, line width, Number of wall lines etc.

 

I even tried slicing with the Cura preset profiles and the same issue is still observed and it only happens to this particular model. I sliced the model in PrusaSlicer and do not see any issues so that leads me to wonder if it is an issue with Cura.

 

Does anyone one else experience similar issues? 

 

 

Screen Shot 2021-01-14 at 12.12.40 AM.png

Screen Shot 2021-01-14 at 12.12.44 AM.png

Screen Shot 2021-01-14 at 12.12.53 AM.png

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    Posted · Strange Infill generated outside Model Issue

    Look at all your "mesh fixes" settings.  Make sure they are all disabled.

     

    Alternatively your model may have holes.  It might not be manifold.

    Cura has an amazing plugin to test your model to see if something is wrong with it and can repair a very few of the many potential problems:
    In the upper right corner of Cura click "marketplace" and make sure you are on the "plugins" tab and install "Mesh Tools".  Then restart Cura.  Now right click on your model, choose "mesh tools" and first choose
    "check mesh", then "fix model normals" and "fix simple holes" to see if that helps.  Cura doesn't fix most issues so...

    netfabb free repair service is here (you have to create a free account first):
    https://service.netfabb.com/login.php

    Here's another service - drag and drop mesh repair service:
    https://3d-print.jomatik.de/en/index.php

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