All About Shape Cards

This is a community-written guide. It was written to help players get accustomed to using RFTools Shape Cards.
===About this Guide===
This guide is not an exhaustive description of items, nor a tutorial on using each item. It is a helping hand to get you started with using the RFTools Shape Cards. Throughout this guide you'll find links to various blocks and items. Be sure to explore these links for full details, descriptions and illustrations.
==Overview==
Shape Cards are used to define a Shape that is then used by RFTools machines such as the Builder. Modifications on shapes themselves is done via Composer.
(more to come)