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I used texture paint to create a seamless texture for my object with the clone brush, but the seams are still visible when the camera is really close to them. I'm wondering if this is inevitable or fixable.

Also, I created the displacement map for it with Photoshop's 3D feature. When using it in Blender, when I increase the strength too much in the bump node, it makes the seams become very visible, even from a distance (that's not the case in the image). Am I creating and applying the displacement map correctly or is there a more efficient way? enter image description here

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  • $\begingroup$ maybe try to remove the seam with the Clone brush? Also increase the brush Bleed option a bit? $\endgroup$
    – moonboots
    Commented Nov 12, 2021 at 21:39
  • $\begingroup$ I did it and it's still visible when close. $\endgroup$
    – José da Silveira
    Commented Nov 13, 2021 at 14:35
  • $\begingroup$ if L0Lock's answer is not good, please share your file: pasteall.org/blend $\endgroup$
    – moonboots
    Commented Nov 13, 2021 at 14:36
  • $\begingroup$ pasteall.org/blend/052a8c2ce6ae4451936b95bc5679f7e5 $\endgroup$
    – José da Silveira
    Commented Nov 13, 2021 at 14:59
  • $\begingroup$ I had to create a new blender file, because the original has alot of objects. $\endgroup$
    – José da Silveira
    Commented Nov 13, 2021 at 15:00

2 Answers 2

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So it looks like it's due to bad normal map but it's hard to guess how it happened, if you baked this normal map it must have happened at this moment, but we can't do anything as we don't have the original object.

Anyway what you can do from now is enable the Node Wrangler addon, press CtrlShift left click on the Grip 05 Normal 01 8K Image Texture node in order to view the normal map only. In the 3D view switch to Texture Paint mode, select the Clone brush in the Tool panel on the left, press Ctrl left click to point on an area that you want to duplicate, and begin to paint on the limit line, it will remove the bad connection.

Before:

enter image description here

After:

enter image description here

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Looking at your nodetree, it looks like you set your image texture nodes' Extension to Repeat.

I might be wrong on this but if I remember well, Image Texture nodes use UV mapping when nothing feeds their vercor input, and changing the Extend option will change the texture mapping. If yes, then that might be the source of the issue:
While the image texture may be seamless when repeated, the UVs will always display a break at their seams. That's why when using UVs, you either paint a texture adapted to the UVs and project it as is, or you use a seamless texture but map it using generated mapping.

Also, any texture that isn't plugged into Base Color or Subsurface Color (which are conveniently socketed in yellow) should have their Color Space set to non-color.

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