This is a box for the power source from Mean Well LRS-100-24. If you need to modify it, find the step file under raw files.
Used this file to connect the on/off switch https://makerworld.com/en/models/211922 from CompputerMonkey, thanks!
M3x25 screws and nuts needed for the assembly of the on/off switch- 4 pcs
M3x6 screws - 4 pcs for the LiD
M3x10 screws - 4 pcs for the legs
M3x4 screws - 2 pcs for fixing the power source