BlockStates

{
    "variants":{
        "facing=north": { "model": "rm:block/towen_hanger"},
        "facing=south": { "model": "rm:block/towen_hanger", "y": 180},
        "facing=west":  { "model": "rm:block/towen_hanger", "y": 270},
        "facing=east":  { "model": "rm:block/towen_hanger", "y": 90}
    }
}