{
    "variants": {
        "": [ { "model": "block/spruce_planks", "weight":5 }
,{ "model": "block/spruce_planks1", "weight":18 }
,{ "model": "block/spruce_planks2", "weight":10 }
,{ "model": "block/spruce_planks3", "weight":10 }

 ]   }
}
