Explicit Angles Instead of Expletives for Angles 0 comments, 13/07/2009, by Guest/blogger, in Article, Autodesk Inventor Feb 26, 2008: Inventor 2009 has ability to define direction perpendicular to rotation direction. « Overview/First Look: Pro/ENGINEER Wildfire 5.0 Trim & Extend Make the Cut in Inventor 2009 » Share