- · breaking the first score is the easiest
- · only a rough outline of the final piece should be scored and broken from the sheet
- · Relieving scores and breaks will be necessary. The number will depend on the relative thickness of the thin and thick parts.
Or you can use the fish scale approach – overlapping crescents. These are most useful for deeper inside curves.
More information on scoring and breaking out concave curves can be found here: http://glasstips.blogspot.co.uk/2008/08/cutting-concave-curves.html