Battery Holder- customize to fit

This is a series of parts to make your own custom battery holder to fit your needs.
I originally designed it to have a solid base, but then I reworked it to have a mesh base to cut down on filament use and print time.

These designs will make a rack that measures 192 mm x 145 mm (7.5" x 5.75")

If you don't want to glue parts together, you can extrude the battery holder up from the current size (5mm height) to a size that will securely hold the batteries (20-30 mm will work great) before s