{
    "variants": {
        "": [ { "model": "block/mud_bricks", "weight":20 }
,{ "model": "block/mud_bricks1", "weight":8 }
,{ "model": "block/mud_bricks2", "weight":12 }
,{ "model": "block/mud_bricks3", "weight":12 }
 ]   }
}
