Share Email Facebook Twitter LinkedIn To Open the P&ID Line List Open a Plant 3D model. On the ribbon, click Home tab Part Insertion panel P&ID Line List. In the P&ID Line List window, in the drop-down list, click the P&ID drawing you want to open. Parent topic: P&ID Line List Related Concepts About the P&ID Line List Related Tasks To Route Pipe Using the P&ID Line ListTo Place Valves, Fittings, and Inline InstrumentsTo Edit Size Mappings While Using the P&ID Line ListTo Place Equipments and Nozzles from the P&ID Line ListTo Customize the P&ID Preview Background Related Reference Commands for P&ID Line Lists