Graphite v9 may be the AutoCad killer you've been looking for

I've heard a lot of moaning and groaning that there are no decent AutoCAD-compatible programs for the Macintosh. But now Ashlar-Vellum is showing a pretty good release of Graphite version 9, their 2D/3D wireframe drafting program on both Mac and Windows. Graphite v9 precision CAD software includes a number of enhancements and new features. February 24, 2014

Precision wireframe drafting for Mac

Graphite offers extremely powerful, precision wire-frame drafting with the elegant ease-of-use that makes it productive even when only used occasionally -- Mac and Windows March 21, 2010