You can cut any beam or plate contour with the Advance Steel processing.
To cut or cope contours, use the tools located on the Features tool palette:

- Features on beams and plates.
- Features on beams.
- Features on plates.
Processings are displayed as green contours in the model. These features are Advance Steel objects and cannot exist independently from an element.
Note: Processings are displayed only in the Features representation mode.