Cura/resources/settings/ultimaker2_extended.json

{
    "id": "ultimaker2_extended",
    "version": 1, 
    "name": "Ultimaker 2 Extended",
    "manufacturer": "Ultimaker",
    "author": "Ultimaker",
    "icon": "icon_ultimaker2.png",
    "platform": "ultimaker2_platform.obj",
    "platform_texture": "Ultimaker2backplate.png",

    "inherits": "ultimaker2.json",

    "machine_settings": {
        "machine_width": { "default": 230 },
        "machine_depth": { "default": 225 },
        "machine_height": { "default": 315 }
    }
}