Give thanks to NexoHunter @ MakerWorld for his great design.
I found it too big so I rescaled it to 65mm x 65mm and 3mm high. Take the opportunity to add a ring so you can turn it into a keychain
You can download the STL in “Raw Model Files” to be able to print on any other printer with M600 / color change.
# M600 at layer 10 or 2,72 mm