Creates custom components and instrumentation.
Access Methods
Ribbon: Home tab 
Part Insertion panel Custom Parts
Command entry:
plantcustomparts
Summary
You can create and connect a part to a pipe line that is not in the pipe spec. A custom part is not available in the catalogs, such as a specialty item or instrument. A placeholder part is used until the required part is added to the spec.
List of Options
Displays the Custom Parts Builder.