This badge is sold by Pimoroni:
https://shop.pimoroni.com/products/badger-2040-w
The case has the following features:
The case consists of a few plastic parts which are easily printable without support on any 3D printer. In addition to the plastic parts, you only need four 2 mm (pointed) screws with a length of 10 mm and optionally two magnets, each with a diameter of 10 mm and a thickness of 2 mm.
The optional magnets are available here:
A set with 2 mm screws, which you can also use for other projects, can be found here:
More on my website: https://kaenner.de
Have fun with it!
Assembled case
Parts
Display bezel
Stick the display bezel onto the display with thin double-sided adhesive tape. A strip of tape on the short side where there are no buttons is sufficient (on the left side in this image).
Bottom part
If you want to use magnets, put one in each of the holes.
Bottom part with the badger on top
Screw the bottom and top halves of the housing together
Filler piece
If you don't want to wear the badge on a lanyard, you can close the hole for the clip with the filler piece.
The author marked this model as their own original creation.