Nikon J4 Battery Case

I've spare Nikon 1 J4 battery and don't want it get short circuit while put it in the bag. So I make a little case for it. Hope it useful.

I use the following setting to print.

Nozzle diameter 0.4
Layer Height 0.1
Infill 15%
PLA - Bed : 40celcius
Head : 200celcius