The following the Plant 3D Project Setup Categories in a list form,

I was surprised to not be able to find it in text online,

So, I typed it out and sharing it below,

Hope this helps you in setting up your Plant 3D.

• General Settings
  • Database Setup
  • Drawing Properties
  • File Name Format
  • Paths
  • Project Details
  • Reports
  • Shared Plant Content

• P&ID DWG Settings
  • End Connections
  • Line Settings
  • Export and Import settings
  • Data Manager Configuration
  • P&ID Class Definitions
    • Engineering Items
      • Equipment
        • Blowers
        • Compressors
        • Conveyors
        • Crushers
        • Driers
        • Energy Symbols
        • Filters
        • Furnaces
        • Heat Exchangers
        • Mechanical drives
        • Miscellaneous Equipment
        • Mixing Equipment
        • Nuclear Reactors
        • Pumps
        • Tanks
      • Inline Assets
        • Hand Valves
        • Piping Fittings
        • Piping Speciality Items
        • Reducers
      • Instrumentation
        • General Instrument Symbols
        • Inline Instruments
      • Lines
        • Pipe Line Segments
        • Signal Line Segments
      • Nozzles
    • Non Engineering Items
      • Actuators
      • Annotation
      • Closed Drain No PID
      • Connectors
      • Flag
      • Flow Arrow
      • Gap
      • Line Breakers
      • Open Drain No PID
      • Tie In
    • Pipe Line Group
    • Signal Line Group
  • P&ID Painter Settings
  • Pipe Specs in P&ID
    • Pipe Spec Object Mapping
  • Plant 3D DWG Settings
    • Export and Import Settings
    • Data Manager Configuration
    • Layer and Color Settings
    • Piping Connections
    • Pipe Bend Settings
    • P&ID Object Mapping
    • Plant 3D Class Definitions
      • P3d Line Group
      • Piping and Equipment
        • Equipment
        • Fasteners
        • Pipe Run Component
      • Pulled Pipe Bend
      • Steel Structure
    • Isometric DWG Settings
    • Ortho DWG Settings