I'm not sure what do you mean by "top half surface"... I tried to inverse the direction of the piece that doesnt work but its hopeless :(

http://imgur.com/U2yN6gf
http://imgur.com/4D1EI1w

Hi

I'm learning maya in college right now and i'm having a problem with a project at the moment.

I basically must use curves ( or nurbs I don't even know anymore ) to buid this completely. I...