AutoCAD 3D - 3D Polyline Command - for versions 2009, 2010, 2011, 2012, 2013 & 2014
Excerpt from SofTutor's Teacher inside of AutoCAD 3D product. Topic 05.3 covers drawing a polyline in 3D. Master AutoCAD 3D in 8 hours buy full product (75 lessons ) for $99 at http://www.321learn.com/SofTutor_Vide...
can be configured to run inside of AutoCAD
Free download w example files at http://nvsi.com/AutoCAD