Great creativity. I like the design very much. The creation is simply WOW. It will look superb when it will complete ready. Thanks for sharing this here with us.
Guitar is very nice but yes, it needs regluing. You can do it your self with the help of iron, glue, knife and some other things. But if you want to remove the back competely then I will suggest to do this process with proffessional guitar repairer.