MMDVM 3.5 Nextion Box for raspberry pi zero & jumbo spot

my first design go easy on me. work in progress, I will fine tune over time. all screws used are 2.5mm diameter 5mm length using bread board jumper cables to connect pi to the hat without soldering and a micro usb pcb to power the pi and allow the usb to pluggin at the rear of the case. the mem card is also removable on the right side so once assembled unless an internal part goes wrong you wont need to pull the box apart.

(if you already have a OLED screen fitted to your HAT the stand off p