Commands
SelFacesToBoundary
SelFacesToBoundary
The SelFacesToBoundary command selects SubD or mesh faces surrounded by selected faces, borders, or both.

For more information, please refer to the Rhino documentation.
Commands
SelFacesToBoundary The SelFacesToBoundary command selects SubD or mesh faces surrounded by selected faces, borders, or both.

For more information, please refer to the Rhino documentation.