{
    "variants": {
        "": [ { "model": "block/sandstone", "weight":6 }
,{ "model": "block/sandstone1", "weight":6 }
,{ "model": "block/sandstone2", "weight":6 }
,{ "model": "block/sandstone3", "weight":6 }
,{ "model": "block/sandstone4", "weight":1 }
,{ "model": "block/sandstone5", "weight":2 }

 ]   }
}
