Drawing a Construction Line

1. Select the Construction Line tool from the Sketch ribbon group.
2. (Optional) Dimension the first point relative to another sketch object.
3. Click to set the first point of the line.
4. (Optional) Dimension the line.
5. Click or press Enter to end the line.By default, the line is dimensioned to its start point, but you can dimension to another sketch object.

The common sketch options are described in Sketch Options.