# Bare border faces

# create mesh
from mechanic import *

# remove some faces to have faces with bare borders
mesh.RemoveElements( mesh.GetElementsByType(SMESH.FACE)[0:5] )

# get all faces with bare borders
filter = smesh_builder.GetFilter(SMESH.FACE, SMESH.FT_BareBorderFace)
ids = mesh.GetIdsFromFilter(filter)
print("Faces with bare borders:", ids)