Creating 3D Geometry - AutoCAD 2011 and AutoCAD LT 2011: No Experience Required - page 895

FiGuRE 16.79 Selecting the first Slice point (top); selecting the second
Slice point (bottom)
8. Click the grip, and enter @0,0,8 ′ 2-1/4 ↵ (@0,0,2496 ) to move the
edge 8 ′ -2¼ ″ (2496 mm) along the z-axis. The faces bound by the edge
are adjusted accordingly and form one half of the peak, as shown in
Figure 16.82.