Robot arm control box

I wanted to control my eezybot arm with some potentiometers I found on a scrap soundboard, without having to mount the pots. I just soldered wires to the pots, ran the wires through the channel I designed and the whole thing tapes onto whatever surface I plan to mount this onto. I have tested the parts, but you NEED to sand the arm round sides a bit for smoothness. Also, I made this in Sketchup so some modeling errors are there (I fixed some after I printed mine). If you see anything, let me kno