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I come to a problem while texture painting. The lines and strokes are all pixelized and looks very ugly.

I tried to double/quadruple(2048px X 2048px/4096px X 4096px) the size of the image in the UV Editor window and reassign the new image to the image texture which is linked into a Principled BSDF, but even this seems not to get drawing sharper.

I even tried to enlarge the mesh to maybe cover more pixels but nothing works.

Is there anything we can do for this?

[Edit]

I figured that the faces ratio are not correct in the UV Map. I don't know if it may be part of the problem.

enter image description here

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  • $\begingroup$ What does your UV mapping look like in the UV Editor compared to the pixels underneath in the image texture? $\endgroup$ – Craig D Jones Jun 22 '20 at 19:33
  • $\begingroup$ the face is deformed, really tiny in the uv editor compared to the real face $\endgroup$ – Eric Brochu Jun 22 '20 at 21:15
  • $\begingroup$ Yes, the amount of pixels assigned per face will affect your painting result. Scale up the smaller faces or at least try a smart up unwrap to fill the image space as much as possible. $\endgroup$ – Craig D Jones Jun 23 '20 at 2:35
  • $\begingroup$ I tested with a picture from the internet which is way smaller than those I did and comes out better in details than painting. I might just paint my textures with another app and add them. $\endgroup$ – Eric Brochu Jun 23 '20 at 23:48
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From your description I guess what you're getting is the strokes on the left and what you want is the strokes on the right.

enter image description here

To get that make sure that the fallout is set to smooth or something similar enter image description here

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  • $\begingroup$ It's more when i use low pixel brushes like 1-3 pixels and being very close to to object, I think it might be due to the uv map. that faces are not properly set by the system. I edited my post with a picture of the uv map and the mesh. $\endgroup$ – Eric Brochu Jun 23 '20 at 0:18
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I had this problem. I did not set my scale before unwrapping my UV. Go to Object Mode and select the item(s) to unwrap. Press Ctrl + A > Apply Scale, then unwrap.

If you have already painted textures you will have to start again.

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