Select the QuickShape Tool (Shift F2). Click Starred Shapes. Highlight
and change the number of sides to 24 and press Enter to apply the
change. Drag a 200 pixel star shape. Double click on any of the outside
points to enable curved corners. On the Editable Items drop down list,
select Stellation Radius and Offset. Change the top setting shown on
the right to about 85. Apply a Flat, Cyan fill.