Blender Reference Manual. Volume 2: Data System, and Modeling

This document is a transformation from the Blender Reference Manual presented in the official page of Blender (https://www.blender.org/manual/), as it was presented on the date July 07, 2016. There is no guarantee with this book. It can be incomplete, outdated, or with errors. It is the responsibility of the reader the use he gives to this book, and it's contents.
The webpage from which this book was made from is still incomplete at the time, so there are many subjects in the manual that are listed, but missing or incomplete. It is also responsibility of the reader to investigate on it's own wether if this subjects have already been completed, modified, or eliminated. However, some of this subjects have been found (partially) in some other webpages, and added to this manual, and you will notice because of a change in the format of the pages. As this "completions" are not from the official manual, they can be outdated, incomplete, or wrong. Please take caution.
The present version of Blender is 2.77, however, there is no guarantee that the contents of this book are updated to this version.
This Manual has been divided into 5 volumes, due to it's size and weight:
Volume 1: Getting Started, Interface, and Editors
Volume 2: Data System, and Modeling
Volume 3: Painting and Sculpting, Rigging, Animation, and Physics
Volume 4: Render
Volume 5: Compositing, Game Engine, User Preferences, Advanced, Troubleshooting, Glossary, and About This Manual