Making a custom Arcade Stick

Hell im new to this site, I wanted to know if someone can help me. I’ve been planning to get a Qanba Carbon fightstick for myself and soon going to customize it such as art and buttons making it dragonball z theme of Android 18. 

What I wanted to add was I have this dragonball balltop I want to add a light attached to the joystick. But I’m having trouble to find what I’m looking for such as a hollow shaft and a motherboard I believe based on what paradise arcade was telling me, and Videogamesnewyork. If there is any info such about it who makes hollow shafts for Qanba carbon and LED light for it or advice please message me or advice. Just doing this for fun. Thank You!