AutoCAD 2012 DXF Reference February 2011 © 2011 Autodesk, Inc. All Rights Reserved. Except as otherwise permitted by Autodesk, Inc., this publication, or parts thereof, may not be reproduced in any......Angular; 3 = Diameter; 4 = Radius 5 = Angular 3 point; 6 = Ordinate...Definition point for diameter, radius, and angular dimensions (in...