Generating Elevations - AutoCAD 2011 and AutoCAD LT 2011: No Experience Required - page 531

FiGuRE 10.30 The stairway, deck, posts, and railings
5. At the Specify first corner point or: prompt, click the lower-
right corner of the cabin's exterior wall.
6. At the Specify other corner point or: prompt, pause the cursor
over the lower-left corner of the cabin's exterior wall until the tem-
porary track point appears. Then move the cursor directly downward
and enter 18 ↵ ( 457 ↵ ).
The foundation rectangle is shown in Figure 10.32.
FiGuRE 10.31 The extended stringer and the first deck support post