After some difficulty I have got a simple drawing with objects in Model Space drawn at scale 1:1 and an A3 Paper Space layout with Viewport at a Custom Scale of 0.02 (i.e. 1:50).
I can get this converted to PDF by uploading to an appropriate service which returns me a PDF. But how do I ensure that this is going to print properly at 1:50 scale on A3 paper? I am assuming that once converted to a PDF the layout settings become irrelevant?
I'm using nanoCAD 5 (the free version). Sorry to be cheapskate, but I'm retired, and this is for personal use..