Flat meshpart renders differently depending on rotation direction

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#1

As you can see in the video below, the brightness of the mesh part changes depending on the direction.


I created a planar mesh in Blender and exported it as an .obj file. I don’t know why it’s like this.
Any help would be greatly appreciated!

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#2

Does your mesh in Blender have any Textures on it that affect the shading?
Also why use a MeshPart planar surface anyway? The extra 10 tris of a standard Part aren’t going to cause you lag issues. As you can see if you put a planar surface on another Roblox surface it’ll start to clip through. A normal Part that’s .003 or .005 studs thick won’t be noticeable for height, but it shouldn’t clip through like the Mesh is.

#4

Enable the “DoubleSided” property for the meshpart and it should work.

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#5

Plane mesh doesnt have any textures. TextureId is nil

I made floor of the map with a flat mesh instead of a part. Because I wanted to reduce unnecessary faces. Should I just use the floor as a part instead of a flat mesh part?

#6

I tried turning on DoubleSided, but it had no effect.

#7

Then in blender add a solidify modifier and apply it and then import it back.

#8

Thanks!!
As you said, I added the Solidify modifier that thickness very thin (0.001) and applied it, and the problem was solved.
(Sorry for strange English because I used translator)
I think there was an engine error in the rendering when exporting to Roblox because adding a plane mesh in Blender only creates one face.

Thanks to everyone else who has contributed to this topic!

#9

So you basically created a box instead of a plane.
Like I said, just use a Part resized to .001 studs. So much easier.

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#10

I made a bug report on this before, apparently, it was solved however the admin said their solution was not ideal;

#11

Roblox doesn’t support planes, it automatically resizes sized 0 objects to 0.001 when you import them into studio from Blender.

#12

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