Adjust Doughnut Auto Shapes
Doughnut Auto Shapes initially have three control points.
For any new section that you add, Fireworks adds a control point
for resizing or splitting the new section.
To add sections, Alt-drag (Windows) or Option-drag (Mac
OS) an add/divide sector control point on the outer perimeter of
the shape.
To remove a section, drag the add/divide sector control point
on the outer perimeter of the shape to define the portion of the
shape that you want to remain on the canvas.
To resize the inner radius, drag the inner radius control
point.
To set the inner radius to zero, click the reset radius control
point.