Frontpanel Design
Scale Helper for Frontpanels
Use for Scales this pages and import it to your Design
http://stiftsbogtrykkeriet.dk/~mcs/Scale.html
Import / export hpgl
http://woosteraudio.com/front-panel-express.html
Related articles
how to bugfix: https://diysynth.wiki.dsl-man.de/wiki/spaces/SKM/pages/336101402/How+to+bugfix
non commercial pages, all infos are best can do without warranty, without liability.