I'm building a thick glass bottle in Blender 3.3.1 I'm using a displacement & bump to create an embossed effect on the glass surface. The issue is it's effecting the inside too.

Any idea's? Here's a screen grab of my shade editor & render.

enter image description here

  • 1
    $\begingroup$ Hello and welcome. can you share your blend file? blend-exchange.com $\endgroup$
    – Harry McKenzie
    Commented Dec 14, 2022 at 23:25
  • $\begingroup$ Welcome, I want a slightly clearer picture. $\endgroup$
    – tetii
    Commented Dec 15, 2022 at 1:43

1 Answer 1


Thanks for replying, here is a clearer imageclearer image here I've done a bit more digging through tutorials and it's because I used a default UV map. I've since learnt to UnWrap a UV properly and the problem has solved itself. Thanks!


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