Shadow artifacts in character

Hi, I’m getting some weird shadow artifacts on the surface of my character, does someone know the reason? Thanks.

Could it be

  • split vertices
  • exported sharp edge (Maya, Blender)
  • wrong normal direction (rotated)?
  • different smoothing groups (3ds max)

Thanks for the suggestions but unfortunately none of these worked

Hello,
have you tried to increase the resolution of your lightmap?

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Maybe its a matter of the light settings for shadows. Check if you have a high enough shadow cascade value (seems like it could be a large jump). Maybe you have a shadow bias set to a value where it favors short distances?
Shadow slope bias also seems to play a role in self shadowing so maybe that could be your culprit.

Do the model’s shadows look ok in you modelling application?

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It was indeed a setting of the main light, I didn’t realize I had moved the slider for Contact Shadow Length, Setting it to 0 seems to have solved the problem.
Thanks for your help guys.