for folks interested in reading more about teed (top perimeter closed loop) manifold's, I'm keeping a list of some threads that include discussions of it here.
Best of luck and life to all
Anthony
[note... for folks returning to this thread, I'm adding dates when newer threads get added to the top of the pile. For new readers... do note that some of the older threads farther down the list are really fab and thorough. Also... be sure to do a keyword search outside of this forum for even more threads/info]