Step 1: Choose Roof pitch.
Step 2: In the floor plan, select the wall corner from which you measure the Roof pitch.
Step 3: Measure the distance d1 (The distance from the outer edge roof pitch to the wall corner).
Step 4: Click Next.
Step 5: Measure
Width,
Knee wall,
Measurement distance and
Measurement height of the roof pitch.
Optionally, you can measure the distance to the wall, how far the roof pitch starts from the rising wall.
Step 6: Click OK to end the command.