Trimble Quadri Help
If you choose to create a hole in your extrude, then you need to set additional parameters which define the Thickness of your “wall” as well as if the figure is created by the usage of outer or inner dimensions.
Outer Diameter/Height disabled means that the width and height (in the case of rectangular shape) define the inner figure and the thickness “wall” is added to that size.
Next topic: Dimensions