http://blogs.office.com/b/visio/archive/2010/03/31/improved-cad-support-in-visio-2010.aspxSome of the earliest adopters of Visio were engineers and others who created technical drawings, and they loved the combination of power and simplicity that Visio provides. One of the most ubiquitous applications used by engineers is Autodesk’sen-USTelligent Community 1.5.134.15456 (Build: 5.5.134.15456)