Create a blank file. Draw some walls. Create a section viewport. Edit the Section Style class so that it has a light fill and heavy line (such as 0.70mm). In the Viewport's Advanced Properties > Display, set the Line Weight Scale to 1. Set Vectorworks Preferences > Display > Navigation Graphics to "Best Compatibility." Update the section viewport, and draw a line (either inside the annotations or not) and set it to the same thickness as for the Section Style class (the 0.70mm) as