I am trying to flip the normals of an object using geometry nodes.

I know that the flip faces node is supposed to do something like that but it does not seem to create the effect I want.

If anybody knows a way to flip an objects normals using nodes that would be much appreciated

  • 1
    $\begingroup$ unfortunately you didn't say what "effect" you want. Flip faces does indeed flip faces. like so: [1]: i.sstatic.net/G2ctd.gif so please improve your question and tell us 1) what you want to achieve 2) what you have tried 3) what doesn't work $\endgroup$
    – Chris
    Commented Apr 2, 2022 at 12:43
  • $\begingroup$ I am trying to acheive an inverted hull effect $\endgroup$ Commented Apr 2, 2022 at 12:44
  • $\begingroup$ Do you mean something like this: blendernation.com/2020/02/28/… $\endgroup$ Commented Apr 2, 2022 at 22:19
  • $\begingroup$ yes, that is exactly what I am trying to do. $\endgroup$ Commented Apr 22, 2022 at 20:47
  • $\begingroup$ Try Flip Faces node. My question is how to know and distinguish between flipped and not flipped faces. $\endgroup$
    – barberik
    Commented Nov 25, 2022 at 10:17

1 Answer 1


This works for me:


node net

You need to activate Backface Culling in the outline material:

outline material


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