Your confusing yourself. Don't think of it as a whole anymore. Think of it as two identical enclosures. What you do to one, do to the other. you have two 1.66cuft enclosures. Figure bracing for one, then do the exact same thing to the other. //content.invisioncic.com/y282845/emoticons/smile.gif.1ebc41e1811405b213edfc4622c41e27.gif