JED 1.6.0+ - SkyGrid overworld (with the SkyGrid mod)

{
    "dimensions": [
        {
            "dim": 0,
            "override": true,
            "dimensiontype": {
                "id": 0,
                "name": "SkyGrid Overworld",
                "keeploaded": true,
                "worldprovider": "WorldProviderSurfaceJED",
                "require_exact_match": true
            },
            "worldinfo_onetime": {
                "SpawnX": 0,
                "SpawnY": 129,
                "SpawnZ": 0,
                "GameRules": {
                    "spawnRadius": "0"
                }
            },
            "jed": {
                "ChunkGenFactoryWorldProvider": "funwayguy.skygrid.world.WorldProviderOverworldGrid"
            }
        }
    ]
}