Computation times

00:18.510 total execution time for 3 files from examples/10-mesh_operations:

Example	Time	Mem (MB)
Convert nodal coordinates field to local coordinate system (13-nodes_in_local_coordinate_system.py)	00:12.516	0.0
Extract the skin from a mesh (05-skin_extraction.py)	00:05.007	0.0
Create and display a mesh with polygon and polyhedron elements (00-create_polygons_and_polyhedrons.py)	00:00.987	0.0