Sometimes it is really hard to find tutorials that are simple, communicative and to the point. This is a very good source for learning rhino through video tutorials:
An example is the command “cage”
<p><a href=”https://vimeo.com/50254444″>Using Rhino’ 5’s CageEdit Command</a> from <a href=”https://vimeo.com/rhino”>Rhino Tutorials</a> on <a href=”https://vimeo.com”>Vimeo</a>.</p>