Battery case for e-longboard

This battery case can be printed in several parts if your printer is not big enough to do it in one time.
It fit 2 batteries pack like this :

Spec.
Capacity: 5000mAh
Voltage: 3S1P / 3 Cell / 11.1V
Discharge: 25C Constant / 35C Burst
Weight: 354g (including wire, plug & case)
Dimensions: 162x21x46mm
Balance Plug: JST-XH
Discharge Plug: 5.5mm Bullet

You can find them on hobbyking.
two packs connected in serie, will make a 6S 5000mah pack.
Should be enough for 10km range.