I've been learning Blender for a while now, and there's this problem I couldn't figure out the answer, even after searching for it.

There's this edge I want to move, on the same z axis :

Edge I want to move

And when I want to move this edge like this :

No edge but a face

There's still this face existing even if I moved the vertices and the edge. How could I remove this overflow ? Why does it even exist ? I'm using Blender 2.79. Thanks in advance for your time.


1 Answer 1


It acts like this because it tries to create a face between your 4 vertices. To do what you want to do you will have to create a transverse edge like that:

enter image description here

  • $\begingroup$ Oh, I see, edges are this importants in order to sculpt objects. I see ! Thanks a lot ! $\endgroup$
    – Bachrc
    Commented Nov 12, 2018 at 15:00

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