I added lights to my Wanho i3 Plus and needed a box for the switch.This is a quick 30min job start to finish it's not the best looking but it does work! You will need to add a longer screw to replace the one you are using to mount the box.
I used this switch: https://www.amazon.com/gp/product/B000HEIY1Q/ref=oh_aui_search_detailpage?ie=UTF8&psc=1
Rafts:
Doesn't Matter
Supports:
No
Resolution:
.2
Infill:
20%
Notes:
Aanything should work