Phone with wallet case car cup holder Nexus 5x

This is a case I've made to hold my phone in the car without having to remove it from the wallet case. It goes into a cupholder, the phone just wedges in the top with the case folded behind. It is designed for a Nexus 5x with a Mercury Goospery wallet case, but may also work for other phones. The slot is 16mm x 90mm.

The whole screen is accessible on the nexus 5x.

There is a central hole for a usb c charger in the bottom and one at the side for headphones.

I have added a version wit