Detects and highlights wires and edges that are not shared between two faces and are considered a shape's boundary.
TUI Command: (NoError, ClosedWires, OpenWires) = geompy.GetFreeBoundary(Shape), where Shape is a shape to be checked, NoError is false if an error occurred while checking free boundaries, ClosedWires is a list of closed free boundary wires, OpenWires is a list of open free boundary wires.
See also a TUI example.