I printed this with standard 0.2 mm layer height, 20% infill - no support neccessary. Stands stable on a desk but I also designed a hook to hang it on the wall.If you would need FIFO storage for more AA batteries check this out until I complete the stackable version of v2 :) https://www.youmagine.com/designs/modular-fifo-aa-battery-holder And finally, here is v3: the stackable, standing FIFO AA battery dispenser (I run out of buzzwords): https://www.youmagine.com/designs/stackable-standing-fifo-aa-battery-dispenser