This design was inspired in 2 other designs in this site:
https://www.thingiverse.com/thing:2339441
https://www.thingiverse.com/thing:2668159
Since I could not find for the original file to adapt it to my battery with protection circuit (larger), I ended up doing my own and making the fusion 360 file available to everyone in order to adapt it to your needs, have fun!
The author marked this model as their own original creation. Imported from Thingiverse.