Increased capacity now holds 12 AA and 8 AAA.
Everything is currently a friction fit. Tolerances are tight and some VERY LIGHT sanding (just enough to round off the edge) on the curved edge of the battery slot that creates the friction fit will help keep it from digging in and damaging the battery cover/wrapping. Learned this the hard way.
If you like my designs please consider making a donation to my efforts. Thanks!
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The author marked this model as their own original creation.