I decided to upload the Flipper Zero Case from Shutdown on Thingyverse with insert from RobbS since I couldn't find it here on printables. :) 
If I just did not see it, please comment with the link to the model and I will delete this model.

What is it

This is a pelican-like case for the awesome Flipper Zero.
The base (bottom, top and clip parts) are from this model, which is a remix of this model, which itself is an adaptation of this model.

Why those parts

The bottom, top and clip parts are

• adapted to the dimensions of the precut foam included in the original Flipper Zero package
• have no overhangs, allowing for support-less printing

The top and text parts are made to fit together and to print a bi-color part without two extrudors.

The top_adapter_1 and top_adapter_2 parts are made to

• to fit with the top part
• to replace the original foam, in a nice and colored way
• to have room for the USB cable (and maybe other small accessories)
• fit perfectly with the bottom_adapter and with the Flipper (with silicone case) height. The flipper will sit tight in its case

The bottom_adapter is made to

• to fit with the bottom part
• to replace the original foam, in a nice and colored way
• fit with the Flipper with silicone case. The flipper will sit tight in its case

How to print the top parts

1. put the text and top parts in the slicer and make the text fit nicely with the top
2. keep only the text, without moving it, and slice it
3. keep only the top, without moving it, and slice it
4. print the text in a color (i.e. orange)
5. as soon as the part is printed, quickly change the filament (making sure the bed keeps the same temperature during the process helps)
6. once the new filament is installed (i.e. white), start to print the top
7. bonus: for the printers that have an automatic bed leveling sensor, make sure to place the text and top parts on a side, where the sensor will not make the measurement. If you don't, and if the parts are centered on the bed, the sensor will take the text height into account when leveling before the top print, resulting in a lower quality printing

All parts can be printed without supports, without skirt/raft/brim.
A case needs two clip parts.

How to assemble the parts

I personnally use nails, that I cut to the right length, to make assemble all that. You can then use strong glue, or hot glue, on the cut end of the nail.

• 4 nails of 2mm diameter, cut to ~2.4mm length
• 2 nails of 3mm diameter, cut to ~2.4mm length

Some people use 4xM2 20mm, and M2,5 with nuts and glue for the hinges (example).