(A diffuse map that is baked onto an unwrapped atlas/island setup.)
How do I go about properly turning an existing diffuse map into normal?
Using Gimp I use the quick normal map maker on that but the edge/seam lines of each island pop out when applied on the model.I even tried inverting the y axis but still get that issue.Is it just impossible?
You can also try Shader Map 4, it’s free and offers more settings than Materializer.
An old copy of X-Normal ( no longer being developed ) is even better for building Normals or other maps from the Base Meshes.
@oo_1942 Looks promising and interesting can’t wait to try it out.
Thanks so much u guys I will give these both a try.
Using the color map but with non-color and a Brighness/Contrast node with contrast for example 10 and then using this as input for a Bump node already makes simple nice fake normal or better bump map to bring out “the details” a bit more.
Here showing only difusse and only bump… :
Of course:
To make an even better normal map a “real” normal map backed from geometrical detail would be best. 
