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Cura not rendering correctly box with cut out region on bottom layer


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Posted · Cura not rendering correctly box with cut out region on bottom layer

Hi.  I'm new to 3D printing.   I'm creating a custom box to hold my modem and routers.   The bottom layer of the box has a cut out region.

When I slice it and view layers in preview mode, for some reason Cura is rendering the bottom layer of the box as if there was no cut out region.

Using Cura 4.8.  No raft or brim.  Happens with our without support.

Am I doing something wrong?

See screenshots below, as well as the attached STL file.

Thanks for any help!

 


router_box_pre_slice.thumb.jpg.d3ba021dee5536ff19144a6c8f1ba55c.jpg

router_box_sliced.thumb.jpg.0ff931458b8b9ce906669b7754604bf7.jpg

 

 

 

 

router_box.stl

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    Posted · Cura not rendering correctly box with cut out region on bottom layer

    Your model is "non-manifold", causing Cura to loose track of what is inside and outisde. Specifically, the way you made the 4 little screw-holes on the bottom is causing problems. There seem to be no cylindrical walls connecting the top and the bottom of those cutouts.

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