Custom certificate (plugin)

This solution and the script helped me with my custom fonts.
A big thank you!

I tried using:
https://www.xml-convert.com/en/convert-tff-font-to-afm-pfa-fpdf-tcpdf
http://fonts.palettize.me
http://fonts.snm-portal.com

The first link didn't produce a .ctg.z-file which garbled the final .pdf.
The second link produced all required files (with an error) but it failed to display special characters.
The third one is just dead (404).

I guess the documentation here needs to be fixed:
https://docs.moodle.org/311/en/Add_fonts_for_embedding

Local conversion seems to be the best way.