If you have a DXF or DWG drawing that was not drawn at 1:1, it needs to be imported using a custom unit of measurement that takes the drawing's scale into account and converts it to a 1:1 drawing. Since drawings are not scaled in the Chief Architect drawing window, it is not possible to assign a scale to an imported drawing. To produce a scaled working drawing, the desired scale is specified when a view is sent to layout or printed. A 24' X 24' cabinet really is 24' square, and a CAD line 8' long really is that length - regardless of how far you zoom in or out. In Chief Architect, all architectural and CAD drawings in plan files are drawn at a one to one scale. How can I change the scale so it displays at the correct size? I have a DWG drawing that was drawn at a scale of 1' = 20', and when imported into Chief Architect it is the wrong size. The information in this article applies to: