1. The crafting System is located in Ardeca, at NPC Dora(Craft)
2. There u can set up your craft Mastery regarding the Item u want to craft.
3. To open ur crafting System(after you selected a mastery), you can either Press CRTL+R(Shortcut) or in ur ToolBar, press the craft icon.
Note: You can only have 1 Mastery Selected at the same Time. If u want to change ur mastery you need to visit Dora again and change it.