No review is honest without addressing the frustrations. Plant 3D 2020 carries the baggage of its legacy code.
Engineers can import directly from projects, defining everything from flange ratings (e.g., ANSI 150#) to material grades (carbon steel, stainless, PVC). When you route a pipe, the software enforces those rules automatically. Try to connect a 6-inch pipe to a 4-inch flange without a reducer? Plant 3D 2020 stops you. Need a 90-degree elbow? It pulls the correct radius from the spec.
Here is a simple tutorial: