iPhone XR controller case

So this is a sort of follow up to my terrible iPhone 5 controller case that I never got chance to test before uploading and didn't fit because of the lip I put in and didn't think through, this time for the XR, because the uncle I was making the original for has an XR now.

Print with the flat face down; it's less supports overall and no supports on areas that you have to touch.

The entire thing just about fits on a 20cm build volume printer.