X-Wing Pilot Chest Box

Final Update:
I uploaded a photo of a chest box I have made, I know the paint-work is really messy but I did it all the day before Halloween because I was busy with a lot of other work most of October. I couldn't get the rocker switches to fit in the holes I made, and because I was in a rush I just made a plate with all 3 switches to cover the holes. You can try to size the switches differently to make them fit but I don't plan on looking into it after this update(unless I get requests to do so). I've included the plate with all switches in this update. Please send photos if you make this, and once again, thank you guys :-)

UPDATE 3: FIXED FACES/EDGES/WHATEVER!!!
Hello everyone!!! I am so grateful for the feedback, I really do appreciate it. I fixed the Hollow Chest Box to be manifold and watertight, so it is ready for printing! I tested it in makerware, and everything comes out fine in the preview. I will be printing it soon. I used solid inspector 2 to achieve this, it is a wond