A spec driven application. It includes all drafting requirements to generate 2D piping plans and sections in single or double line. This application includes a comprehensive selection of valves, flanges and fittings. It also includes a complete section of civil and structural steel drafting. AutoORTHO does not use blocks when placing components. It draws these components after extracting their dimensional data from its library database. You can easily add to, or modify the dimensional data of any component.