Creating 3D Geometry - AutoCAD 2011 and AutoCAD LT 2011: No Experience Required - page 865

5. Hold the Ctrl key down, and then click to select the box operand and
expose its grips.
6. Click the triangular grip on the same side that you selected for the
window frame, drag the grip to make the frame larger, and enter
12 ↵ ( 305 ↵ ), as shown in Figure 16.40. The operand is extended 12 ″
(305 mm).
FiGuRE 16.40 Adjusting the size of the box from the Subtract Boolean
operation
7. Disable the Show History property by selecting the window and using
the Properties palette. Change the Visual Style to Wireframe.
8. Select the glazing, and then select each of the two exposed endpoints.
Use the Midpoint osnap to extend them to the new frame size (see
Figure 16.41).
9. Finally, you need to move the new window into the opening. Turn
on the running object snaps; then select the frame and glazing.
Use the Endpoint osnap to pick the lower-left front corner of
the frame as the first move point and the lower-left front corner
of the opening as the second point. The window is moved into
place, as shown in Figure 16.42.
10. The frame is flush with the outside wall. Use the 3D Move tool to
move it 1 ″ (25 mm) in the positive Y direction.
Repeat the process in this section to make two of the other three
rectangular windows in the cabin. Two of the windows are 3 ′ -0 ″
(915 mm) wide, and you can simply copy one into the opening of
the other. When you're done, your drawing should look similar to
Figure 16.43.