Chart.js/test/fixtures/controller.doughnut/doughnut-circumference-over-2pi.json

{
    "config": {
        "type": "doughnut",
        "data": {
            "labels": ["A"],
            "datasets": [{
                "data": [100],
                "backgroundColor": [
                    "rgba(153, 102, 255, 0.8)"
                ],
                "borderWidth": 20,
                "borderColor": [
                    "rgb(153, 102, 255)"
                ]
            }]
        },
        "options": {
            "circumference": 400,
            "responsive": false,
            "legend": false,
            "title": false
        }
    }
}