Blocky Shadows on Modular Character

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Check this

Recompute tangents and normal maps, I have found a solution

First, check the model without a material. IF you have a hard edge on a fully rough black material, the issue is the model. Near nothing you do will change it. Second, You definitely need to add all the correct (clean) maps. Roughness and Spectacular have a tremendous effect on the seam areas. Normal maps more obviously so. You take the normal map (which you have none of in the screenshot) and plug it into the Derive TangentBasis Node. This can be a neutral normal map as well, it just corre…