Well,

I gave it a try, but it turned into a bit of a nightmare. MoI appeared to be forgetting what control lines where controlling what surface. It was OK to start, but as I progressed control lines where no longer moving the surfaces, so I was having to delete then re-construct the surface, then I was having to remove control lines and the adjoining surface to re-build again. that just continued until I decided to exit.

simple example:-