series.pattern.radius Number

The radius of the dots. Applicable only for the "dots" pattern.

Example - set the series "dots" pattern radius

<div id="chart"></div>
<script>
$("#chart").kendoChart({
  series: [ {
    pattern: {
      type: 'dots',
      radius: 5
    },
    data: [ 1, 2, 3 ]
  }]
});
</script>