Certain minimum requirements must be met before parts can be used for piping at all:
Choose the connection point to be classified.
For this there are two options:
In the preview [Preview], click on the context menu command Select connection point [Choose connection point].
-> The same-named dialog box is opened showing a list of available connection points.
Or select the desired connection point in the preview (the point is now highlighted in red) and click on the context menu command Connection point.
-> In both cases, the dialog area for published elements [Published elements] is opened below.
Activate the Round Pipe Connector class under Class name.
Set the corresponding variable for the characteristic Pipe Connector Nominal Diameter (outside diameter) (DN in this example)
Save the project and update the display index.
Of course, all other characteristics should also be filled as far as possible. However, you have a better overview in the Class variables dialog box.
The two characteristics that have already been filled in are displayed again in the "Class variables [Class variables] " dialog box.