Quote Originally Posted by McCreed View Post
Just leave it. That space is common on many factory-made single-cut guitars. Even some hollow bodies and acoustics have this.
And don't forget you'll be apply a finish to the body. It likely won't be .5mm thick, unless you're spraying a 2k poly or similar that can have a heavy build, but it will have some thickness that will have an effect on the gap.
That sounds like a pragmatic approach. Much obliged!