StrucPLUS for full AutoCAD If you already have full AutoCAD and want an add-in that will increase productivity and automate structural detailing immediately, StrucPLUS for AutoCAD is perfect. StrucPLUS is the most comprehensive set of tools ever designed for the job and is founded by years of hands-on detail drafting experience. With StrucPLUS you'll be using the most popular steel, concrete and civil detailing software in the world.