I would like to make two different textures one inside one outside Here is the problem: I used two textures for the part that is outside, so I can't use the mix shader with geometry otherwise the interior texture only applies to a few places on the wall... How should I do? enter image description here

  • 2
    $\begingroup$ Please give us a clue.. is this UV? Procedural? There's a tantalizing corner of your node-tree in your picture.. that's what we really need to see. $\endgroup$
    – Robin Betts
    May 8 at 15:49
  • $\begingroup$ Texture PBR of Poly Haven... I don't know if it helps you? $\endgroup$
    – Fopsi
    May 8 at 15:56
  • $\begingroup$ Thanks.. so they are an image textures, UV mapped? Please show us how they are combined. $\endgroup$
    – Robin Betts
    May 8 at 16:01

1 Answer 1


You can use a second Mix Shader to separate the inside from the outside - just use the Backfacing output of a Geometry (Shader) Node as the mix factor. In the image below, I tried to re-create your setup, mixing 2 shaders on the front, and then combining that with a color on the back. You can substitute the green color for anything you like, including the output of yet another Principled BSDF, if you want:



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