Figure 9 — Another way of making an inset opening is to make a frame to fit the opening. Using the measurements you have marked on the Airform, cut wood pieces to size of opening. Standing the frame up to the dome, check for level accuracy.

Figure 9 — Another way of making an inset opening is to make a frame to fit the opening. Using the measurements you have marked on the Airform, cut wood pieces to size of opening. Standing the frame up to the dome, check for level accuracy.