In this beginners tutorial for Maya you will learn all of the skills and tools needed to learn 3D modeling and texturing. You'll learn how to set up a project, set up auto-save, create new primitives, duplicate shapes, create textures, use the camera, use parenting to set up a hierarchy, add lights and render a frame. This tutorial covers both box modeling and extrusion modeling.
You will need Maya to compelte this tutorial. Here's how to get Maya for free -
youtube.com/watch?v=n_SjClie5bw