They have a free version for trying out/learning.

You can get it here: Link

I warn you though, the User Interface in Maya is not for the faint of heart.

Heyo, friendly neighbourhood v2 here (you should know me if you've been around the NA Gundam community long enough). Recently I took up Alias/Autodesk Maya, and decided to do an original mech. Here is the process from pencil and paper to final render. Pencil design A slightly generic mech, inspired ...