20mm hole added for 20mm wire grommet that can be sourced on amazon. Or you can remove the negative object and add one that works best for you. Created with rainbow leds in mind but white looks great as well especially by painting the outer edge 4.

The attached profile to the plates is mainly for a nice clean face. When printing the box I suggest standard .2mm settings with 8% gyrioid infill 3 top 3 bottom layers prime tower isnt needed and can be turned off for the box and stand.