How was your day?

Most likely this, but it could also be a 'thinking outside the box' kinda deal. Also, since it is just a model, the process of putting it together is a very useful skill, especially if you are pitching the idea for someone else to create.

But what I don't understand is that it'd be just as useful, if not more time and energy efficient to use a 3D rendering program like Cinema4D :I