minecraft-assets/assets/minecraft/models/block/mossy_carpet_side.json

{
    "ambientocclusion": true,
    "textures": {
        "particle": "#side"
    },
    "elements": [
        {   "from": [ 0, 0, 0.1 ],
            "to": [ 16, 16, 0.1 ],
            "shade": true,
            "faces": {
                "north": { "uv": [ 16, 0, 0, 16 ], "texture": "#side"},
                "south": { "uv": [ 0, 0, 16, 16 ], "texture": "#side"}
            }
        }
    ]
}