Shading artifacts on mesh imported from Blender

Help and Feedback Art Design Support
#1

What could be causing these shading artifacts when importing an FBX from Blender to Roblox as individual objects? Flat shading, normals are all facing outwards, transforms are applied, precise RenderFidelity.

I tried DoubleSided, I tried adding faces to the inner segments’ sides.

There are no artifacts without separating individual objects.

1244×712 342 KB

1244×712 330 KB

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#2

if you rotate it, does the shadows stay or move?

#3

Stays. It goes away if I set CollisionFidelity to Box, after further searching more I think it’s a Roblox bug. Shadow Artifacts On Large Meshes - #7 by IrishStukov

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#4

It happens to me as well, but the model is not shaded just looks like cornered