Double click the Slab Area tool () to edit the default properties.
In the Default Slab Area Properties dialog box:
Change Thickness to 200 mm.
Change Surface Elevation to -50 mm.
Change the Priority to 2, and click OK.
With the Slab Area tool () selected, define the six vertices of the balcony outline by clicking at each vertex, and then click at your starting point (or type "c" in the command line and press <Return>).
The balcony slab on the Mesh Input: Standard Plan.
) to edit the default properties.
