OnePlus 7 Pro car holder for brodit mount

Having recently bought the one plus 7 pro I needed to update my car holder for it. I have the brodit mount so this is designed to screw on to that and leave the pivot screw accessible in the centre.

I've uploaded two designs, I have an anker bluetood module that I use so I put a side plate on mine that I could stick that to. But I've also uploaded a plain variant without it.

Update: I painted mine and then or it in the car, but what started as a snug fit became just too tight. So I've uplo