Jesper halp pl0x

{
    "textures": {
        "openthejesper": "/blocks/openthejesper"
    },
    "elements": [
        {   "from": [ 0, 0, 0 ],
            "to": [ 16, 16, 16 ],
            "faces": {
                "north": { "uv": [ 384, 128, 511, 255 ], "texture": "#openthejesper"},
                "south": { "uv": [ 128, 128, 255, 255 ], "texture": "#openthejesper"},
                "west":  { "uv": [ 0, 128, 127, 255 ], "texture": "#openthejesper"},
                "east":  { "uv": [ 256, 128, 383, 127 ], "texture": "#openthejesper"},
                "up":    { "uv": [ 128, 0, 255, 127 ], "texture": "#openthejesper"},
                "down":  { "uv": [ 256, 0, 383, 127 ], "texture": "#openthejesper"}
            }
        }
    ]
}