http://www.cadtoprint.co.uk Revit 2012 A3 Printing Tutorial. Shows you how to print your A3 sheet in Revit to scale with a A3 drawing sheet. See our A0 Printing, A1 Printing and A2 Printing videos. For scaling down from a A0, A1, A2 Printing size to a A3 Printing size see our other videos.