Birdfont is a font editor which can create vector graphics and export SVG, EOT and TTF fonts. valac python3-doit libxmlbird-dev libgee-0.8-dev libglib2.0-dev libgtk-3-dev libwebkit2gtk-4.1-dev ...

I provided BirdFont-Files in the BirdFont-Folder, which can be customized with the free Font-Editor Birdfont. Just open the HTML-Files with BirdFont, edit them (e.g resize them) and export them as TTF ...