Case Arduino Uno and a module relay 5v.

I build a timer use an Arduino Uno and Module relay. But I don't have cover to protect my circuit. So I decided to design cover by myself. If someone has same
my idea. Can use my design free. it never minds. Have a great day.
I use PLA to print this cover.
Nozzle: 215oC
Heat Bed: No
Layer Height: 0.2mm
Speed: 60mm/s
Wall Thickness: 1mm