Autodesk AutoCAD Plant 3D - Toolset for plant design and engineering. It is an industry-specific toolset for plant design and engineering to create P&IDs and integrate them into a 3D plant design model. Built on the familiar AutoCAD platform, AutoCAD Plant 3D features specification-driven design and standard parts catalogs to help streamline the placement of piping, equipment, and support structures. With the introduction of AutoCAD Plant 3D, Autodesk has met the needs of the process plant industry sector and delivered an affordable but powerful 3D process plant design and layout application to a marketplace once dominated by expensive and complex solutions to both learn and maintain.