Working on a non kit GBZ and decided to go with a USB C port. Modified the 3D power switch file someone uploaded and added some support for the USB C breakout board. It is my first 3D modding so its not perfect but seems to work. The cut out is ugly but this is just my test case.
USB C Breakout (got mine from ebay) https://www.amazon.com/24pin-Female-Soc ... c+breakout