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I have a mesh that has a internal geometry but not like vertices inside of a closed geometry but rather the faces that are not visible from the outside let me explain with an image:

enter image description here

enter image description here

as you can see the red area indicates the faces on the "inside" how would I go about removing these?

I want to remove the internals to reduce the vertex count! since I won't ever see them anyway.

If my question is unclear or needs extra info let me know so I can clarify!

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  • $\begingroup$ WIll depend on mesh. Would try select all verts on "red" inner loop. Delete them. Select a vert on inner surface, grow selection, delete. If there are other edges faces connecting inner with outer will fail. $\endgroup$ – batFINGER Dec 29 '18 at 14:48
  • $\begingroup$ sounds like a good option! what exactly do you mean with grow the selection? do i need to do that manual or is there a function that selects adjecent vertices with in a specified distance? $\endgroup$ – FutureCake Dec 29 '18 at 15:20
  • $\begingroup$ ctrl + grows a selection. $\endgroup$ – batFINGER Dec 29 '18 at 15:59
  • $\begingroup$ [ctrl]+[Numpad +] grows selection, [ctrl]+[+] zooms in $\endgroup$ – rob Mar 19 at 13:09
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Select Interior Faces Try the select Interior Faces Command and see how close it gets you.

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Select everything you can see from the outside (with limit selection to visible on) then press H to hide them. If you've selected everything correctly, there should only be internal vertices left which you can then delete. Press alt-H to bring them back when you are done.

Depending on how complicated the structure, getting all the right vertices hidden could be a pain, but this should work.

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