To draw a single key line

1. Click the Line icon, or choose Lines > Line from the Keypoint Curve Toolbox.
   
2. Click to place the starting point for the line, or type a 3D coordinate to place the point exactly.

   If you click the endpoint of an existing keypoint curve, the new line attaches itself to the end of the existing curve. Dragging the common endpoint moves both curves.

   
3. Click to place the end point for the line, or type a 3D coordinate to place the point exactly.
   • Click the to add the point freely.
   • Click the to align the point horizontally to the first point.
   • Click the to align the point vertically to the first point.

   As you drag the end point, the Line tool displays the length of the line in current linear units.

Line (2 Point) Options

Degree

Specifies the degree of the curve. The values range from 1 to 7. The default is 1.