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I've been using the Boolean Modifier to union multiple meshes, but it often makes overlapping faces, that are criss-crossing each other, as shown in the image below:

enter image description here

Is there any way that I can remove the unnecessary faces?

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2 Answers 2

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See if you can dissolve those faces by hitting X on your keyboard and then Dissolve Faces:

enter image description here

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  • $\begingroup$ Seems to work, but since the mesh has gotten probably over 100 of these overlaps, is there a way to do em all at once? $\endgroup$ Oct 21, 2020 at 12:56
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Enter in edit mode, select All with A Use Mesh>CleanUp>MergebyDistance enter image description here

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  • $\begingroup$ I've tried that, but since the four overlapping faces are sharing the same 4 corner vertices, it doesn't do anything. $\endgroup$ Oct 21, 2020 at 12:58
  • $\begingroup$ Also there's an addon called 3D print Toolbox, that might help you with overlapping vertices and Edges and faces. Add it, then select your model and click on make manifold, and see if that cleans up your topology. ibb.co/KhFMRbv $\endgroup$ Oct 21, 2020 at 14:23
  • $\begingroup$ Can you share the file to check? $\endgroup$
    – joreldraw
    Oct 21, 2020 at 14:31
  • $\begingroup$ The 3D Print Tool doesn't seem to do it either, it reduced the mesh to just only a few random faces; i.gyazo.com/fdb85d201677f7d2f5b73ba4d28831b7.gif And is there a way to easily share the blender file on via this forum? $\endgroup$ Oct 21, 2020 at 22:11
  • $\begingroup$ blend-exchange.giantcowfilms.com $\endgroup$
    – joreldraw
    Oct 22, 2020 at 11:03

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