Posted by dellus on Oct 17, 2020; 1:41pm
URL: https://forum.librecad.org/Understanding-Scaling-tp5719627p5719628.html

More elaborate commercial CAD applications do have the feature you are asking for, LibreCAD doesn't.
So for your example you have to draw the border 8 times larger than the intended print size. Ditto for the text size, except dimensions text, which is determined in dimensions settings.