3D piping is driven by predefined "spec files" that define the pipe material, pressure class, and available fittings. Step-by-Step Piping Design Workflow
After finishing the PDF, complete this mini-project without looking at the guide (except for command references): Autocad Plant 3d Piping Tutorial Pdf
To give you a taste of what a quality provides, here is a distilled workflow. Repetition of this sequence is the core skill. 3D piping is driven by predefined "spec files"
Command: PIPECADD (or click "Pipe" on the ribbon). Autocad Plant 3d Piping Tutorial Pdf