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Posted · Bug in stl import

Hi,

I am trying to import a stl model into cura, but it looks like it is not sliced correctly. This is the lid of a box and it should have an edge and then empty inside. It looks like cura is filing up the empty space. 

 

I am using version 4.5 on linux with default settings. 

Is this a bug or am I doing something wrong? I am quite new to cura and this model seems to be imported well in Slic3r. 

 

Attached stl file and the screenshots of the model + sliced. 

 

Thanks

 

 

Screenshot at 2020-03-23 23-26-18.png

Screenshot at 2020-03-23 23-26-32.png

lid3-rotated.stl

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    Posted · Bug in stl import

    This is a common issue.  If you created this in sketchup go back to your drawing and note that some walls are white and some are gray - right click on the gray walls and select "reverse faces".

     

    Best to fix your model.

     

    Alternatively look at all the mesh features in cura - try unchecking "union overlapping volumes"

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    Posted · Bug in stl import

    Thanks for posting this!  I just added your link to my list of tricks for future people with this issue.

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    Posted · Bug in stl import

    MeshTools also has an option to "fix" the normals. In case of flipped normals it unflips them. I am considering making it an option to always fix normals on import, but that may slow down loading huge models.

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