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These are storage trays for different common batteries designed for the Gridfinity organization system by ZackFreedman

These were all made using the Gridfinity Rebuilt project. I also increased the detail of the models beyond the default configuration so that the holes would come out a bit more round.

There is one STL for each combination of settings for each Gridfinity size listed below. Each STL file lists how many batteries they can hold in the filename.

Battery types:

AA (x4-25 batteries per tray)
AAA (x9-41)
AAAA (x9-61)
18650 (x2-16)
CR123/CR123A (x4-20)
CR2 (x4-18)
9V (x2-10)
21700 (x4-9) **there is no 1x1 tray for this size
C (x4-x6) **only in 1x3 and 2x2 tray sizes
D (x1) **only in 1x1 tray. This is mostly for those who want consistency in their storage

Gridfinity base sizes (all models are \u2018half-height\u2019):

Different settings for each size:

Magnet and screw holes on the bottom, with Gridfinity lip on top*
Magnet holes, with lip
No holes, with lip
Magnet and screw holes, without lip
Magnet holes, without lip (my personal preference!)
No holes, without lip

*-The \u2018lip\u2019 is the top part of Gridfinity that is used to allow stacking containers. Since putting batteries in these will block the ability to stack more Gridfinity on top anyways, I decided to also export each of the STLs without the lip as they save on filament and print time. They might look a bit out of place in a very organized Gridfinity (but does anyone really have a cohesive Gridfinity that's not ever-evolving?)

There are a few extra STLs (i.e. AAA 2x2x2) that are marked as [packed]. These hold more batteries, but in my opinion were not in line with the \u201creadily and easily accessible\u201d spirit of Gridfinity as the batteries are so close together they may be more of a hassle to remove. I left them in the pack for those who are looking for the most storage density.

Print settings:

Nothing special, just your typical Gridfinity settings. Low infill (use whatever you need to get nice top surfaces), no supports needed. Keep an eye out for thin walls on some of the models, especially the [packed] ones!

Updates:

Mar 06 2023 - Added 21700 bins by request
Mar 08 2023 - Renamed files so GF unit dimensions make more sense (2x1x3 is now 1x2x3 and 3x1x3 is now 1x3x3)
Aug 23 2023 - Added AAAA bins by request
Aug 24 2023 - Replaced AAAA bins as holes were a bit too large. Added C and D trays by request. Only two tray sizes for C due to battery size. Only a 1x1 tray for D that can hold one battery just in case people want consistency, but there wasn't a way to fit more than one battery per 'bin' due to size so I didn't make the others.
Dec 2023 - Print profiles are available over on MakerWorld. Since I'm not sure if I'll get banned here, I'm not posting links.
14 Jan 2024 - Added CR2 bins by request
11 Feb 2025 - Updated 21700 bins to 22mm hole size for compatibility. This does cause the 1x3 size to only fit 6 batteries instead of 7. Minor description updates

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Designed custom battery bins using the Gridfinity Rebuilt project as a baseline for full compliance with the Gridfinity ecosystem

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Gridfinity Battery Trays (AA, AAA, AAAA, 18650, CR123, CR2, 9V, 21700, C, D)

Gridfinity Battery Trays (AA, AAA, AAAA, 18650, CR123, CR2, 9V, 21700, C, D)

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