Odpowiedź:
Zasadniczo istnieją dwie możliwości:
- If no structural lines are defined yet, a polygonal surface can be defined by menu bar → "Insert" → "Model Data" → "Surfaces" → "Plane" → "Graphically" → "Polygon", see Image 1.
1 Wielokąt
- If structural lines are already defined, a polygonal surface can be defined by menu bar → "Insert" → "Model Data" → "Surfaces" → "Plane" → "Graphically" → "Select Boundary Lines", see Image 2.
