Milwaukee M18 Battery holder that you can use to mount 4 batteries. 

The initial holder design was created by https://www.printables.com/social/69337-vikgr/about .

The design has space, so you can easily press the buttons on a battery to unlock it and pull it out of the holder. Since the whole model is approx. 350 mm long, it can't be printed on regular home 3D printers. So the model is split in 2 and mounted together with two M4 bolts and nuts. You can also use super glue additionally.

For assembly you are going to need:

• 2 pcs. M4x10 bolt (DIN 7991)
• 2 pcs. M4 nut (DIN 934)
• superglue (optional)

Assembly instructions:

1. Print both parts.
2. Push the 2 nuts in the slots on the first part.
3. Put both printed pieces together (you can use super glue on this step).
4. Screw both pieces together with two M4x10 bolts.
5. Mount it on a wall with wood screw with a diameter of 5 mm.

Please comment your experiences with the model so I can provide you with better ones :).

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