Can somebody help me with this? Dear andrefpf, Welcome to the FreeCAD forum! Your forum contribution was well written, so no problem there :-) I just tested myself a bit and came up with the following code: >>> mesh.FemMesh.Edges (1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 2...