UE4 Quick Tip #10: Fix Import Mesh Error "Degenerate Tangent, Incorrect Shading, Zero Bi-Normals"

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If you receive the following two errors on Static Mesh import:

- static_mesh_name has degenerate tangent bases which will result in incorrect shading. MikkTSpace relies on tangent bases and may result in mesh corruption, consider disabling this option.
- static_mesh_name has some nearly zero bi-normals/normals/tangents which can create some issues. (Tolerance of 1E-4)

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Tags:
unreal engine
ue4
error
degenerate tangents
incorrect shading
nearly zero bi-normals
unreal engine 4
tutorial
fix