Editable_Poly Attach Method
polyop.attach <Poly poly> <source> \
targetNode:<node=unsupplied> sourceNode:<node=unsupplied>Attaches <source>, converted to a polymesh if necessary, to <poly>.
If <source> or <poly> is not a node value, the corresponding targetNode: or sourceNode: must be specified.
The source node is deleted after the attach is performed.
