DIY Enclosure for Car Melody Box

I modelled an enclosure to contain a sound module I'm using for a melody box.  I can add sound bites via micro USB cable and have it play on vehicle start-up.  It's powered by a USB cable plugged into a 12V socket in my car.  There is a slot for the micro USB port, one to access the ON/OFF switch, a hole to pass the power cable and one to view the LED on the board.  I used four M3 x 12 SHCS to fix the halves together.

This is the module I purchased:  https://www.aliexpress.com/item/1005002291235297.html

0.4mm nozzle, 0.2mm layer, PETG, Sovol SV05