How to fix mesh not interacting with light properly?

for some reason mesh isnt interacting with light properly and i dont really know if its cuz the normals cuz i did flipped it but nothing happened so yeah do you all got a solution to this?

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try enabling double sided. most of the time that fixes my issues.

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it is
its enabled
it still has the issue

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I could be because of the normals but since it’s one big mesh it could have something to do with collisions maybe? Try changing them to precise.

I think there’s another property that affects lighting but I’m not quite sure what it is called (lightFedelity?? or something??)

also if the player is going to interact with the mesh, you would need precise collisions. (too many can cause lag)

is there a reason you chose to use one mesh instead of making it out of parts?

Can you do a screenshot of all the properties on this mesh?

its actually in parts i just selected them all

new screenshot i applied the things ur saying but it isnt still working

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Everything seems right with the properties. There must be something wrong with the mesh or how you export it, sadly i have no idea how to fix this.

It might be a problem with how thin the parts are. For some reason light in Roblox Studio interacts weirdly with very thin objects. I’m not sure though.

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the mesh is in parts (separate pieces) but not made of parts (Roblox object).

The models just look like a bunch of resized cubes so you could make the same thing out of Roblox Parts instead of using meshes.

I think this will fix your problem.

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seems i found the problem, its the normals tho for some reason its actually correct (fyi in blener a face orientation of blue means its correct while red isnt) its blue but i still cant find the reason why it still like that (also ive tried other game engines and it results the same for roblox so its not a roblox problem but more of a mesh problem)

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