PowerUp 3.0 PowerBank and USB Cable 'shelf'

This is one of a range of PowerUp 3.0 accessories I have designed, the other accessories include:
-The Spare Parts Holder: http://www.thingiverse.com/thing:458545
-The Upgraded Front Clip - required to plug in and charge the PowerUp module while it is clipped into the case: http://www.thingiverse.com/thing:458528

The PowerUp 3.0 PowerBank and USB Cable 'shelf' allows the PowerBank and USB cable to be stored within the PowerUp packaging making transport more easy, it also allows PowerUp