4k texture maps bake(diffuse, roughness & normal) Look so bad on roblox studio, how can i fix?

here all the info u need:
I mixed two 4k textures into 1 materia in blender. And then baked the material divided in diffuse, roughness & normal.
and then i imported my 4k texture maps into my mesh using a Surfaceappearence, and turns out it looks like trash low quality.

How can i fix this? i want it 2 look HIGH QUALITY, at least 2k (yes, i am aware that roblox compresses the textures)

PD: my texture maps are PNG


It might be not enough lighting, or your stretching the textures out too much, im not experienced with blender, so im not sure if this is correct.

Also this should probably be on another forum, as this is for roblox, and this post definitely should not be in engine bugs.

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No other category??? Im not sure.

Probably a blender forum.

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the first image, its roblox, the second is blender just to remind, and no, this problem has nothing to do with lighting

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Im not sure then, im not a blender expert, nor a expert builder, maybe someone else can help.

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Roblox compresses images to 1k resolution.
That’s your issue. You can’t fix it in easy way, sorry.

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so its 100% impossible to fix then? or other method to apply the textures? (material manager doesn’t properly work)

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Only way rn is to split the mesh/texture into multiple parts that are 1024x1024 px each.

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Splitting image into 16 smaller ones with 1k resolution each is only solution possible rn.

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how do i split the texture maps

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how do i split it, in photoshop or somin’ like that?

Depends.
If you want to actually apply it to a mesh you’ll have to split the mesh in multiple parts too. Roblox doesn’t have a way to apply textures to parts of the mesh (other than the faces property for decals).

If you just want to split the texture, then an image editor works fine.

if i have to split my texture it will be to big both in resolution & file size
is ther ANY other fix/method for my problem above?

Splitting by definition spreads the total filesize into smaller parts. For example splitting in 4 parts essentially divides the filesize of each part by 4, since you use 4 smaller files to represent the single bigger file.

what-i… dont get it
& i dont really get the “new” solution for my problem