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Seams are visible after baking a normal texture | Substance 3D bakers

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  8. Common issues
    1. Aliasing on UV Seams
    2. Baker output is fully black or empty
    3. Baking failed with Color Map from Mesh
    4. Black shading cross are visible on the mesh surface
    5. Mesh parts bleed between each other
    6. Normal map has strange colorful gradients
    7. Normal texture looks faceted
    8. Seams are visible after baking a normal texture
    9. Seam visible on every face
    10. Texture baked outside of Substance software looks incorrect

Seams are visible after baking a normal texture

Alert:

Issue

Normal map seams are visible at the UV borders of the mesh even after a clean bake.


Note:

Explanation

Even after a perfect bake, seams can still be visible. The main reason being that a normal approximate surface information into a texture. Sometimes the texture lack precision or has to compensate too much between the low and high poly geometry to be accurate enough. In some other situation, the way the geometry is tendered with its normal map can affect how good it looks.

Note:

Solution

A few possible solutions can be tried to reduce the intensity of seams with normal maps:

  • Often UVs are not aligned to pixels which leads to aliasing and produces seams. See this page for more information.
    • Increasing the texture resolution can be a way to reduce this effect.
    • Aligning the UV borders to pixels is another way to reduce this effect.
  • Increase the shader quality setting. The shader quality can affect how specular reflections are computed. If some UV islands are rotated and this parameter is too low it can produce visible seams. See this page for more information.

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