Stealth PC grow box wiring HELP ME

I've seem alot of pc grow boxes and there's one thing i found to be kind of a kind of a givaway.
Multpul power cords ... Im currentily trying to build my own spin on a pc grow box and i would like some advise on how i could wire everything off of one main source .
Pictures would be helpfull thanx for reading

just put an extention cord with multiple outlets inside the box, but out of the way. shorten all the wires, or get some of those wire twist-ties and fold all the cords together so that they can be kept inside the box without taking up too much room. and then run the main line of the extention cord out of the back of the computer, where the main power cord would run for the original setup of a computer. then you have all the cords hidden perfectly.