Because the discussion focused only on the first method Charles proposed, I want to point out that there are two others. The two other methods have significant advantages, when printing many files, because you can use them in batch plot, PDF composer…

Batch Plots work great when your print scale is constant, but when you want to plot a plan set that has a different scale on for almost every plot there is no way to automate the plot to shape boundary "Full size" and get the scale to fit the full sheet…