https://forums.autodesk.com/t5/hsm-support-forum/fusion360-cam-problems-with-stl-and-3dm-files/m-p/6075606#M18664 I would try and get IGES, Parasolid or Step files, as they will be the most widely usable. STL's are very difficult as they are an approximation of a surface made up of triangles (or so goes my understanding). Fri, 08 May 2015 17:01:56 GMT Steinwerks 2015-05-08T17:01:56Z