3D modeling is part of a immense industry that includes; movies, tv, product design, video games and lots of more. As a 3D modeler it is your job to take a conceptual design (pencil and paper) and build it in 3D space within the computer (Maya). The magic that you will feel and master as your model begins to take life is something that you will need to experience lots of times over.
BEGIN WITH THE BASICS
This work will quickly introduce you to the basics that you will use to build your career on. The basics are not something that you will learn and then forget, but they will stick with you from day throughout the remainder of your career. You will learn to master 3D space and working with primitive shapes that will take a on a life of their own as you breathe life in to them pulling, pushing and twisting the geometry wherever your imagination takes you.
udemy course :https://www.udemy.com/intro-to-mastering-3d-box-modeling-techniques-with-maya-2014/