I wan't to go from this: enter image description here

To this: enter image description here

But I want to clean up this part: enter image description here

So it's not a face against another face. What is a fast way to do that?

It doesn't necassary have to be a cleanup after the extrude, not using an extrude at all but get the wanted geometry another way is also fine with me.


1 Answer 1


AltE > Extrude Manifold should clean this up automatically, in the extrude operation itself.

(Blender 2.9+)

enter image description here

  • 1
    $\begingroup$ I already clipped the gif before I checked answers :D $\endgroup$ Jul 25, 2021 at 18:16
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    $\begingroup$ @AllenSimpson Thanks for the contribution! :D Sorry about that.. the countless times my answers have been clobbered by moonboots better and quicker ones. I should have put a gif in myself . My Illustration would have been a slightly different way of looking at it, which I'll leave here in the comments for future ref. $\endgroup$ Jul 25, 2021 at 18:30

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