I designed this for two reasons. The ones I downloaded from the internet to print were all nice but did not have enough clearance to fit the Amazon and Energizer rechargeable batteries. For some reason they are slightly thicker. The second reason was I want to dive a bit more into fusion 360.
I would say these came out very nice and hold the batteries well. I purposefully did not make it very tall to save time and material. These rings touch each other also on purpose to get the unit overall rigidity.
I use Cura for slicing and Ender 3 V2 for printing.
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Update: 2023-09-22
Added a couple of variants for 9V batteries.
The author marked this model as their own original creation.