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......height, scale factors, and so on)40-48 Linetype scale; double...distance value1041 Extended data scale factor1042 Extended data 16-bit...