Detailed Drawings > Annotating the Drawing > Dimensioning the Model > Working with Witness Lines > To Shorten a Witness Line
  
To Shorten a Witness Line
1. Select the dimension with the witness line that you want to clip. The witness lines are highlighted, with a "handle" at each end.
2. Drag the handles to the desired positions. Note the two way arrow over the handle shows the direction it will move. Middle click to finish.