cutting plane line as a saw blade that is used to cut through
the object. The cutting-plane line is represented by a thick
black dashed line.
Figure 6.8 cutting plane linesB .Direction of Sight
The drafter must indicate the direction in which the object is to
be viewed after it is sliced or cut through. This is
accomplished by adding a short leader and arrowhead to the
ends of the cutting-plane. And these arrows indicate the
direction of sight.