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I watched a video of blender guru on adding stitching to a couch. He added a 2nd uv and overlaid a zbrush in the bump map and manually aligning the uv to match. Is there a way I can make a texture paint brush to paint a bump map on a stitch to easily add stitching. If so how do I do it and how do I create a texture of all the maps and UVs to import to unity. Any help is greatly appreciated.

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It seems a bit tedious to paint a b&w stitch directly in Blender but you can:

  • Create a stitch on a flat plane:

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  • Choose the top view, in Solid mode, in the Viewport Shading panel, choose Matcap and choose the normal matcap:

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  • In the View menu, choose Viewport Render Image:

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  • In an image editor, only keep the normal map image:

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  • Unwrap your object and use the image in an Image Texture plugged into a Normal map in order to create your stitch:

enter image description here enter image description here

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  • $\begingroup$ could I plug the image into a custom texture paint brush? will it only affect the normals? $\endgroup$ – Noobmaster69 Oct 10 '20 at 19:12
  • $\begingroup$ how exactly would I do that? I tried to that but I messed somethin up. $\endgroup$ – Noobmaster69 Oct 10 '20 at 21:46
  • $\begingroup$ and whats the difference between a normal map and height? they look like they do the same thing $\endgroup$ – Noobmaster69 Oct 10 '20 at 21:46
  • $\begingroup$ oops yes sorry it's not possible to bake the height map, so baking the normals, or using the method I explain, are the most convenient thing to do. Not big difference between normal and height map in the result, the method is different: normals check the face normal orientations, height check the heights $\endgroup$ – moonboots Oct 11 '20 at 5:08

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