If you’re confused how we create first or third angle projection, you might want to check this illustration.
(Click image to enlarge)
Thank you to Patrick Hughes for the heads up. If you want to see the discussion on CAD Tutor forum, you can find it here.
About Edwin Prakoso
I work as an Application Engineer in Jakarta, Indonesia. I've been using AutoCAD since R14 and Revit since Revit Building 9. I occasionally write for AUGIWorld magazine and also active in Autodesk discussion forum.
I'm certified as Revit Architecture 2010 and AutoCAD 2013 certified professional.
Connect with me on twitter or LinkedIn