Remember June of 1992 — 18 years ago??  Us neither.  But that was the last time Autodesk built a Mac-compatible version of AutoCAD.

Now it is 2010, a generation later, and the first betas of their AutoCAD for Mac, dubbed Sledgehammer, are hitting the net.  Don’t worry AutoCAD, we’re sure Steve Jobs won’t hold a grudge.

More screenshots and a video below: