Depending on the size of the dimension you are resizing you could be resizing the outside ends of the arrows, rather than the extension lines defining the dimension distance. Presentation Symbol libraries are accessible through floating toolbars and would save a lot of drawing time. They are customisable and you can create your own libraries quite easily. While this allows an adequate range of weights, thicknesses are relative only to themselves, not to a standard of any sort. Consequently they will also output differently on different printers.
Output is clean and quite fast and the linework is crisp.
Document Management QuickCAD is a single sheet document output program. There is no facility for multiple sheet sets. It supports any sheet size that is supported by Windows for your printer or plotter. There no specific tools provided for document management. This allows you to open a BMP or DIB format file in your QuickCAD editor.