How to measure re-entrant walls.
Step 1: Choose wall.
Step 2: Measure the lengths of walls 1 and 2 as usual.
Step 3: Before measuring the lengths of walls 3, 4 and 5, change the wall thickness to 10 mm.
Step 4: Change the wall thickness back to 250 mm before measuring wall 6.
Step 5: Measure further walls as usual or end the measurement by clicking on Done.
Then you can use the Check angle to
Check the relevant angles of the re-entrant wall or use the existing values.