{
    "variants": {
        "normal": [
			{ "model": "birch_planks", "weight": 1},
			{ "model": "birch_planks2", "weight": 1},
			{ "model": "birch_planks3", "weight": 1},
			{ "model": "birch_planks4", "weight": 1}
		]
    }
}