If you are just beginning to use Rhinoceros, you have to watch this tutorial. It is really definitive and it shows all the basic concepts about 3d modeling.
David Piker shared an awesome tutorial on vimeo for a quickstart to kangaroo. It’s pretty basic, yet shows you what is possible with this physics engine.
Learn some techniques for editing control points in this beginner level Rhino tutorial. Commands covered include “SetPT”, “Weight” and “MoveUVN”.
1. Draw a rotational section of the object you are going to model. 2. Use revolve command and create a 360 degree rotational surface. Its that easy. Here is how to do it in details :