Hidden line: how to remove unwanted lines at object joins? in General Discussion Posted April 28, 2016 · Edited April 28, 2016 by col37400 It's also something that it's capable of doing for wall segments. See attached for example. Two wall segments of different heights attached to each other. In the hidden-line elevation view, it knows not to draw a line where the two walls connect. So surely it shouldn't be a big ask to do this for adjacent simple solids, when required. Another situation - because of the limitations of the wall tool, sometimes a section of wall has to be modelled directly using a solid. But then how do you join that section into a piece of "real" wall seamlessly so that you don't get a join line? You can almost do it in plan, because you can choose not to have a "cap" on one end of the wall segment - in top/plan view the end of the wall segment is drawn open. You can then draw some 2D lines continuing the wall for your custom wall segment if you're only concerned with the plan view. It would be nice to be able to do the same thing with a manually drawn 3D segment, so that it still works in all the elevations, sections, etc.