{
    "variants": {
        "": [ { "model": "block/oak_planks", "weight":1000 }
,{ "model": "block/oak_planks1", "weight":1000 }
,{ "model": "block/oak_planks2", "weight":1000 }
,{ "model": "block/oak_planks3", "weight":1000 }

 ]   }
}
