Add an edge point to the garage roof
- Select
Floors and Ceilings > 
Add Point. - The following auxiliary functions are selected by default on
the contextual toolbar:
All layers
One area
Use these default functions.
- Select the slope (A).
- Select the edge (B).
- Click the location of the new point (C) from the edge of the
slope approximately as shown in the figure below. The green
triangles represent the edge points.
- Quit by pressing the Esc key.
