Hypertherm Phoenix 8.0 - Manual (Page 166)

Library Shapes
159
Circle Diameter
Enter the length of the diameter of the part.
Center to Flat Side
Enter the distance from the center to the flat side of the part.
Lead-In/Lead-Out Length
Enter the appropriate value to ensure proper piercing (lead-in) and gas bleed-off (lead-
out) to obtain optimum cut quality.
The location for the lead-in and lead-out is fixed, but can be changed by using the
ShapeWizard and then saving the new shape to disk.
Part Type
Indicate whether you want to cut the part as a separate piece or a hole in a larger part.
Chain cut options are available for simple shapes that have external cut paths.