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Slicing issues for Cura 4.11.0


AndreiC

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Posted · Slicing issues for Cura 4.11.0

Hi, After upgrade Cura to 4.11.0 I have some issues with slicer.

If I slice a part with a hole in the middle (vertical), after slice the hole is missing.

Attached there can be se same part in 3 way sliced.

Cura 4.11.0 sliced horizontal and vertical

Cura 4.9.1 sliced vertical

 

How can I slice the part vertical in Cura 4.11.0?

 

THanks IN Advance....

 

Capture.PNG

Capture2.PNG

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    Posted · Slicing issues for Cura 4.11.0

    I'm guessing your normals are backwards for the walls of that hole.  The "normal" is what tells cura which side of triangles in the model are inside and which are outside.

     

    Did you create this model?  If so you can fix this in cad.  If not there are free programs to fix the normals.

     

    If this model is from blender google about the "remesh modifier".  And also about "normals" in blender.
    More here: https://www.sculpteo.com/en/tutorial/prepare-your-model-3d-printing-blender/

    If this model is from sketchup read this:
    https://i.materialise.com/blog/3d-printing-with-sketchup/

     

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

    cura mesh tools
    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 if that passes choose "fix model normals"

     

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    Posted · Slicing issues for Cura 4.11.0
    7 hours ago, gr5 said:

    I'm guessing your normals are backwards for the walls of that hole.  The "normal" is what tells cura which side of triangles in the model are inside and which are outside.

     

    Did you create this model?  If so you can fix this in cad.  If not there are free programs to fix the normals.

     

    If this model is from blender google about the "remesh modifier".  And also about "normals" in blender.
    More here: https://www.sculpteo.com/en/tutorial/prepare-your-model-3d-printing-blender/

    If this model is from sketchup read this:
    https://i.materialise.com/blog/3d-printing-with-sketchup/

     

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

    cura mesh tools
    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 if that passes choose "fix model normals"

     

    Thanks a lot for your quick answer...

    Unfortunately still don't work.

     

    The model is created by me, but same issues is present with all models(even downloaded) that have space in middle(for example some wheel).

     

    In check mesh appear "is watertight", and "fix model normals" has no differences.

    In cura 4.9.1 everything work fine.

     

    In preview it can be seen the "tunnel" for hole, but nut in printing.

    v2.1.PNG

    v2.png

    v2.2.png

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    Posted · Slicing issues for Cura 4.11.0

    I was going to say the same thing as greg.  After checking that, please post your project file which will include your STL file in it and all your settings.  The issue you describe is quite common but can be caused by a bad model or by what Greg points out.  Also there is another cura parameter: hole horizontal expansion.  Make sure that is zero.

     

    Also what CAD software did you use?

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    Posted · Slicing issues for Cura 4.11.0
    On 10/21/2021 at 9:00 PM, gr5 said:

    I was going to say the same thing as greg.  After checking that, please post your project file which will include your STL file in it and all your settings.  The issue you describe is quite common but can be caused by a bad model or by what Greg points out.  Also there is another cura parameter: hole horizontal expansion.  Make sure that is zero.

     

    Also what CAD software did you use?

    Thanks all for helping.

    I was try on another laptop and work properly. So I uninstall Cura and install back, after that was work fine.

     

    bila.stl

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