Specifying Construction Lines and Centerlines
You can convert line segments in a rectangle to construction lines. You can also add centerlines when sketching a rectangle.
In the PropertyManager, you can convert solid line segments to construction lines by selecting For Construction in the PropertyManager.
To add centerlines in a rectangle, select Add construction lines and select either From Corners or From Midpoints in the PropertyManager.
From Corner centerlines | From Midpoint centerlines |