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I am trying to build a pc in blender and I just updated my blender to 2.91 but the boolean modifier doesn't seem to work as expected on a specific area.I am attaching a video below

https://streamable.com/ovvr7a

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The Boolean modifier relies on correctly set normals. Check if your normals are all facing outwards by checking "Face Orientation" in the Viewport Overlays menu:

Overlays Menu

All the outward faces should be blue. If an object has incorrect normals, you can select all of its faces (A) in edit mode, and Mesh > Normals > Recalculate Outside (ShiftN)

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  • $\begingroup$ Still not working :C .. I checked the normals and they were as they should be..Blue outside and red inside. Though it was looking like the two faces were overlapping on other areas but it is probably because of the thinness of the case. Should I give you the blend file?? $\endgroup$ – Vedant Feb 22 at 7:50
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    $\begingroup$ Okay, Thank you very much.. :D :D.. I found a way around..The normals was only the problem so I created a new mesh and then I combined it with the case and now its working perfectly.. Once again thank you very much $\endgroup$ – Vedant Feb 22 at 8:41

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