Print each part except top - there are two different "top" parts - you need only one of them, so make your choice. I made a short screencast about the design process in case you are curious: http://fns.csokolade.hu/2014/04/17/3d-nyomtatas-tervezzunk-fifo-elemtartot-aa-meretu-akksiknak/Update #20140617: I designed an additional top & bottom part for fixed screw mount.Update #20150626: if you would need a standing FIFO battery dispenser or you have got up to 8-9 AA batteries to store then I recommend the v2 version: https://www.youmagine.com/designs/standing-fifo-aa-battery-dispenser