Construction Line in AutoCAD is used for multiple purposes, like:
- To draw an infinite horizontal, vertical or angular line.
- To draw offset (off set is used to draw the walls etc) and projections etc.
- To bisect an angle.
- Construction Lines are Really useful for aligning different object in AutoCAD
- To check a certain line for horizontal or vertical etc.
Construction line can be used to show ground level, water level and things like that.....
AutoCAD Commands Notebook