Battery Hopper AAA Extension

I downloaded thing 341702 and printed the AAA holder. It's neat (as in cool) but I ran into a problem. I have too many batteries. Hmmm...Don't think I could use up all these batteries and get them out of the way. That might take months. Making the thing taller would mean reprinting and it took quite long enough, thank you very much. I came upon the idea of chopping up the beastie in 3D Builder and creating this extension. I'm printing it out as I type and hopefully it will fit to the top of the