Select a set of boundaries whose centroid represents the source connection point.

Select a set of edges whose centroid represents the source connection point.

Select a set of points whose centroid represents the source connection point.

When Centroid of selected entities is chosen under Connection point for the source attachment in the parent Clearance Joint or Distance Joint, a subnode will be generated based on the setting of Entity level. They cannot be added or removed manually.

This node is also available when Centroid of selected entities is chosen under Center in the Source section in the parent Rigid Body Contact.