Custom Material Discolouration?

I’m confused why my material when unioned together discoloures and darkens like this (Screenshot 1>Screenshot 2) The settings are as follows (3rd screenshot). Anyone know how I can fix this? It only seems to happen to a few particular bricks, not all are affected.

Before Unioning:

After Unioning:

Settings:
image

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There are a few posts about Unions shadowing strangely lately. Just use the term Union shading in the Search bar up top.

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Set UsePartColor to true?

Its already checked to true, checking it before and after has no effect.

I’ve just done so but seemingly the threads are about a month old at this point with some saying that the issue they were facing was fixed and others having no solutions. From reading them though it seems to be an issue with CSG V3, is there maybe a way to revert to v2 temporarily?

Is it something to do with shadows? Try rotating your union on all axis

No, the behavior is still exhibited even if the union is rotated, (take the brick as a reference point) see below:


To me it looks fixed in those screenshots, or similar to the original image. Although, Did you try rotating it on every axis?

Yes. Believe me the issue still persists

I’ve discovered the issue seems to happen from copied parts, although its 50/50 wether it happens or not. Sometimes it will occur other times it won’t. I guess its safe to assume its a bug now (can a moderator please move it this thread if your reading to bug reports if so)?


Yeah something really weird is going on here. The shading is completely messed up.

Did you try setting the SmoothingAngle to 0 and back like the other posts recommended?
You shouldn’t have to use this as a workaround, but it fixed it for me.

Yeah I tried messing around with the SmoothingAngle, it didn’t fix it. I closed out of roblox studio actually then returned a while later to find studio had updated and the issue no longer occurring as far as I can tell.

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