(This is VW2018)   The screenshot is from the attached file.   The model contains two objects: a wall object and a polygon object ('green gridline').   Section one cuts through the wall and the green gridline, and both show up as expected.   Section 2 cuts only through the green gridline. The wall shows in the background in elevation as expected but the green gridline does not appear at all. Why is this?   (File contains 2 saved views so you can