This is my take on the famous slogan “Don't panic” that is written in bold, friendly letters on the back of the famous Hitchhikers' Guide to the Galaxy.

Prints in two parts without the need for supports. Cutout in the back lets you conveniently install a USB LED Stripe (1m should be sufficient in most cases) that can be glued to the inner side of the outer shell. 

Can be printed without issues in “Sport” mode, just the black side walls will look slightly less shiny.

There is also a second version without the reflective white part on the back piece, which makes it a lot easier to print and produces less waste.

Partly powered by Lightbox Maker from MakerWorld (https://makerworld.com/makerlab/lightboxMaker)

If you prefer the complete Hitchhikers Logo, you could kindly consider my other Lightbox here: Lightbox “Hitchhikers Guide to the Galaxy”