ploof-pack/faithless/assets/minecraft/models/redshroom/block.json

{
	"texture_size": [64, 96],
	"textures": {
		"0": "block/red_mushroom_large",
		"particle": "block/red_mushroom_block"
	},
	"elements": [
		{
			"from": [0, 0, 0],
			"to": [16, 16, 0],
			"faces": {
				"north": {"uv": [12, 8, 16, 10.66667], "texture": "#0"}
			}
		}
	]
}