Select the Cut board measures panel to consider the pinking machine dimension.
The software suggested the dimension of the pinking machine set up in the preferences (see the menu Tools -> Preferences under Windows™ and Linux™ the program menu under Apple™) You have to input the cut board dimensions, usually a square.
It is also as great as the fabric width.
The board dimension can also be set to different measure with the custom option.
You can also state the tape width in both direction longitudinal and transversal.
Reminder: