This is more of a thing I want added in the mod that is World sizes.
World size setting when making a new world.
World sizes classic small medium large and infinite.
here are the list of the world sizes
classic : Overworld 864 x 864 : Nether 288 x 288
Small : Overworld 1024 x 1024 : Nether 352 x 352
Medium : Overworld 3072 x 3072 : Nether 512 x 512
Large : Overworld 5120 x 5120 : Nether 640 x 640
Infinite : Java edition world size

Heres the minecraft wiki for the world sizes page
World sizes

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