Donut chart
Donut or Doughnut chart is just a simple pie chart with a hole inside. You can define hole radius to any size you need, both in percent or pixels.
Donut chart with patterns
Click on PATTERNS theme above the chart – you will see that our pie or donut chart supports patterns. There are several pre-build patterns in our package or you can easily build your own fancy patterns and use them with our charts.
Demo source