This is my first Gridfinity design. After printing the gridfinity 1x2 D battery block by BenBreaksThings I was looking for a similar holder for some C sized batteries.

Designed the model in Autodesk Fusion 360, following the sizing from https://gridfinity.xyz/specification/ and the original Divider Bins parametric source file from ZackFreedman https://a360.co/3vbu9B5

Printed in PLA. 0.2mm layer height. 15% infill.

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16-Aug-2023 - Added v5 with increased hole size

Based on feedback I've uploaded a new version (v5) that increases the diameter of the holes to 26.2mm which is the standard for C batteries (according to Wikipedia).

The included Autodesk Fusion 360 model has been updated with parameters to set the diameter and an optional tolerance.

If you're concerned about fit, try a test print by dropping the model down into the bed of the slicer and slice/print a few layers of the middle of the model.