Dotted lines are usually used to denote objects hidden from view. However, they can also be used to denote other things, such as a wheelchair turning radius or ceiling height changes on a floor plan. ... They are also used to show objects above the cutting plane of a floor plan, such as wall cabinets, beams, arches, etc.
What do dotted lines represent?
Dotted lines are super attention grabbing. They also convey a sense of uncertainty that can be useful. The challenge is that dotted lines introduce some visual noise.
What does dotted line indicate in engineering drawing?
Dashed lines used to form the shape of features that are not visible. Solid line with a dash then a solid line used to identify the center of a feature. Solid line with arrowhead tips followed by a dimension used to identify where the dimension represents.