I would like to display the edges that are hidden by my building (envelope), but I don't want to display them in dotted lines. I would like this component to be "transparent" on my drawing.
In my mind, on my plan the envelope should be dotted and let the edges hide in a strong line appear.
I don't think what you want to do is possible, but if you have access to the MyCadTools tools, you might find something similar with the " FaceFonts " tool:
(But the cartoonist deep down is outraged by the notion of edges hidden in strong lines.)