Servo Tester Case

I purchased the servo tester shown in the photo from the internet. It works well but requires a power source to operate which leads to more wires on my workbench that can get in the way. I built a case for this tester that lets you mount a battery pack inside so the unit is mobile.
If you want to build this, do the following:

1. Print out all parts. I printed the button and led covers in a lighter color (I found the leds in this unit to be extremely bright so I wanted to diffuse the ligh