That's an addon for the "Variable 18650 battery liquid container"
https://www.thingiverse.com/thing:2997627
This cases here are with holes, so you can combine two cases with this holder to one big case.
| Case_Bottom_Open_with_holes.stl | 2.7MB | |
| Case_with_holes.stl | 2.2MB | |
| Holder.stl | 194.6KB | |
| Holder_Lock.stl | 68.2KB | |
| Holder_Lock_V2.stl | 72.8KB | |
| Holder_Middle_Segment.stl | 1.6MB | |
| Holder_V2.stl | 200.1KB |
