[MDL ED] Merging custom entities textures into one?

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I wouldn't recommend pulling 3 textures into a 2048 - just for optimization's sake. Even though it might look clean and neat having all the files as one you're going to end up using more texture space than having 3x1024.

That's true... but I think it's not only texture size that causes performance issues, the number of textures that need to be looked up also plays a role. I'm no engine coder however, so I might be wrong. I bet Your Computer would know more about that!