Weldment Feature
The weldment feature is not a feature in the same sense as a fillet
or an extrude. Instead, it sets up a design functionality environment.
The weldment feature designates the part as a weldment and enables the
weldment environment. The weldment feature:
Activates the multibody environment by clearing
the Merge result check box in
the PropertyManagers of features that add material.
Acts as a placeholder for common custom properties
that are inherited by all cut list items.