https://forums.autodesk.com/t5/hsm-support-forum/inventorhsm-pro-quot-use-4-axis-quot-option/m-p/6100617#M19639 Wow! i am so glad i didnt splach on a full pro version as planned. <BR /><BR />Pro marketing spiel:&nbsp; "2.5D, advanced 3D and 5-Axis milling, and turning applications" <BR /><BR />But its not is it, its 3 + 2 indexing. Tue, 18 Aug 2015 20:18:30 GMT kt 2015-08-18T20:18:30Z