Planmeca FIT CAD System User Manual page 108

14 Defining margin
100 Planmeca FIT CAD/CAM system
1. Click the Add Segments button.
2. Start by clicking on a section of the margin line that is acceptable.
3. Add new points by clicking across the gap on the line. A line is traced
where you click.
To create a curve use multiple clicks.
4. Click Add Segments.
User's manual