I needed a box for my pwm fan control, so I created one for my fans.
The box is basic but fully functional, the lid is locked using pressure.
The PWM controller is: https://es.aliexpress.com/item/1005005970118917.html
The 12V female jack is this: https://es.aliexpress.com/item/32988273896.html
The author marked this model as their own original creation.