https://forums.autodesk.com/t5/autocad-2000-2000i-2002-archive/2d-polyline-vs-polyline/m-p/111138#M32070 HEAVY is 2d and LIGHT is just polyline<BR /> the convertpoly command alows you to switch between the types<BR /> <BR /> <BR /> <BR /> -- <BR /> Dave C. Johnson<BR /> djohnson@wwcengineering.com<BR /> WWC Engineering<BR /> Sheridan WY.<BR /> Windows 2k2<BR /> Acad Map 5<BR /> Survcadd XML Mon, 14 Jul 2003 14:52:01 GMT Anonymous 2003-07-14T14:52:01Z