If entering Opening size first, it automatically calculates the Outside size when tabbing out of the Borders field.
If entering Outside dimension first, it automatically calculates the Opening size when tabbing out of the Borders field.
Enter the outside Width.
Enter the outside Height.
Outside Bevel
The Outside Bevel is created by cutting into the fallout surface with the blade angled at 45°/52°, thereby slanting the bevel under the fallout surface, or simply cut at 90°, hiding the matboard core from the front.