SimpleMultipart/src/test/resources/assets/multipart_test/multipartstates/test_part.json

{
	"multipart": [
		{
			"apply": { "model": "multipart_test:multipart/center" }
		},
		{
			"when": { "facing": "down" },
			"apply": { "model": "multipart_test:multipart/bottom" }
		},
		{
			"when": { "facing": "north" },
			"apply": { "model": "multipart_test:multipart/vertical" }
		}
	]
}