Once the Slabs tab is selected from Cross-section Type dialog box, the dialog box will be displayed on the screen as shown below.
The following parameters can be defined on the Slabs tab:
If the 'Left Slab' option is inactive, the L-section with right overhang will be assigned.
If both options (left / right slab) are inactive, the rectangular section is automatically called up (provided no cuts have been defined).