Cura/resources/definitions/tank_m3.def.json

{
    "name": "Tank M3",
    "version": 2,
    "inherits": "tank_m_base",
    "overrides": {
        "machine_name": { "default_value": "Tank M3" },
        "machine_width": { "default_value": 235 },
        "machine_depth": { "default_value": 235 },
        "machine_height": { "default_value": 250 },
        "machine_head_with_fans_polygon": { "default_value": [
                [-26, 34],
                [-26, -32],
                [32, -32],
                [32, 34]
            ]
        },

        "gantry_height": { "value": 0 }

    },
    "metadata": {
        "quality_definition": "tank_m_base",
        "visible": true
    }
}