src/main/resources/assets/mekanism/models/block/nothing.json

{
    "elements": [
        {
            "__comment": "nothing",
            "from": [0, 0, 0],
            "to": [0, 0, 0],
            "faces": {
                "down":  {"uv": [1.5, 4.25, 2.25, 5], "texture": "#all"},
                "up":    {"uv": [0.75, 4.25, 1.5, 5], "texture": "#all"},
                "north": {"uv": [0.75, 5, 1.5, 5.75], "texture": "#all"},
                "south": {"uv": [2.25, 5, 3, 5.75], "texture": "#all"},
                "west":  {"uv": [1.5, 5, 2.25, 5.75], "texture": "#all"},
                "east":  {"uv": [0, 5, 0.75, 5.75], "texture": "#all"}
            }
        }
    ]
}