This is a version just like the "Box with hangable LID and LIGHTS" (https://www.printables.com/model/639735-box-with-hangable-lid-and-lights) but without the modifications to accommodate the lights.
The lightbox consists of 2 printed pieces:
You only need to print both pieces and slide the cover over the box's structure (the cover includes an arrow indicating the direction in which it should be inserted).
Printing settings:
The author marked this model as their own original creation.