The parameters in this tab allow you to modify the geometry of an area to be cut out on the PCB.
Shape
In this box you can select the shape of the area. The shape is only changed if the checkbox is active.
Center
Set the coordinates of the center of a rectangular or elliptical area.
Size
Set the size of a rectangular or elliptical area.
Width
Specify the thickness of an area defined by a polyline.
Corner Smoothing
This parameter allows you to specify whether corners should be truncated, rounded or left as they are.