Building and importing complex mesh to fenics

hi,
I want to build a plane wing model and import it to fenics. any good suggestion for it? till now, i just try use Gmsh to build and mesh model to .xml file and import it to fenics. but Gmsh just only build simple model.

thanks for any advice

You can use gmsh to build complex meshes, as highlighted by pictures on their main page: https://gmsh.info/