Please post your list of craftables for Engineering items found in Cataclysm.
If you are looking for items found in Wrath of the Lich King (WotLK), please view the following thread:
http://forum.twilightonalex.com/index.php?topic=6495.0
If you are looking for items found in Burning Crusade (BC), please view the following thread:
http://forum.twilightonalex.com/index.php?topic=2152.0