Gridfinity AA Battery Holder

A standard 2x2x3 AA Battery holder. Holds 25, with convenient tapers to allow the batteries to slide in easily. I made sure to add a bit of extra space as rechargeable batteries are often thicker than standard.

An extension of #GridFinity, open sourced by Zach Freedman: https://www.youtube.com/watch?v=ra_9zU-mnl8