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I have an altar model that I want to texture. I have visible seams, but I paint over them. It appears correct when a map is in the Color node (diff/normal). I save the painted over image, but when I reload as Normal Map Color node, the seams are there, and they are pretty obvious. I've done the same with the normal map (just smudging the seams but it does appear seamless when the map is in Color). Any clues? As Color

As Normal

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Open it in GIMP.
Filters > Map > Make Seamless
File > Export As > Whatever_you_want_to_call_it.png

Export > uncheck everything > Compression level 9 > Export
Load this normal map w/ node editor, in place of the original.

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  • $\begingroup$ It may soften the details. If that happens, load original as a new layer > select all > feather a decent amount > then delete, so it has crisp details inside, and a seamless outer edge. $\endgroup$ – Doyousketch2 Dec 9 '17 at 22:46
  • $\begingroup$ The feather amount will depend on your normal-map size. 30 or 50 pixels may do. $\endgroup$ – Doyousketch2 Dec 9 '17 at 22:49
  • $\begingroup$ My map is not a seamless one, it's one exported for a unique prop. It uses unwrapped UVs that do not go past the edge of the image. $\endgroup$ – mechanicarts Dec 9 '17 at 22:57
  • $\begingroup$ I know it's not seamless. Gimp can fix that. It blends the edges so they line up when it wraps. $\endgroup$ – Doyousketch2 Dec 9 '17 at 23:01
  • $\begingroup$ It creates an interesting solution, where it doesn't actually add up (the edges do not line up) but it is really soft, so there's no visible seam. It'll have to do, thanks! $\endgroup$ – mechanicarts Dec 9 '17 at 23:34

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