The Frame menu allows you to add, delete and modify frames.

Add frames at the locations of the sections selected in the front window.

Delete the frames which are selected in the front window.

Brings up a dialog allowing you to specify the frame characteristics of the selected frames in the front window.

Calculates the shape of all the frames you have defined. The shapes includes the properties you have defined using the Frame Shape dialog and the cutouts for any stringers which pass through frames.

Calculates the shape of the selected frames in the front window.

If this item is ticked, the skin thickness will be deducted from the perimeter of the frame.

Also see:

Check Surface Thickness on page 9

Check Outside Arrows on page 9