This is a case for the Rambo 1.4 control board which I'm using for my MPCNC. It's loosely based the MPCNC Case by Lindh3D which has a lot of good information included as a reference. I made this design because I was looking for a case that would allow me have a movable LCD.
2 different grommets plugs are available to secure any wires out of the front, back, and side of the case.
Fan is a standard 40mm with a cover and filter on the outside. (All purchased on Amazon) Since I had the fan filter in place, I decided to have the fan blow into the case which would keep positive air pressure going out all the vent holes, ideally keeping the dust out.
Screws were 4-40 for the control board, and 6-32 for the lid.
Fusion 360 design file is attached for anyone interested in doing further tweaks.
LCD controller shown in the pictures is from Allted - https://www.thingiverse.com/thing:1562144
Tape measure guides going into the side of the case are from UBMarc - https://www.thingiverse.com/thing:3464423