Draft Extension

Description
This method snaps to a point on an imaginary line that extends beyond the endpoints of line segments.



How to use

 * 1) Make sure  and  are turned on.
 * 2) Choose a Draft tool to draw a shape.
 * 3) Hover the cursor close to the endpoints of the line segment that you wish to extend.
 * 4) As you move the pointer away from the line segment, but keeping the same slope, a dashed line indicates the extension of the original line.
 * 5) Click to attach your new point.