There's a very handy guide on making variable fonts using fontforge and other tools https://www.youtube.com/watch?v=xoQuWARCUWI
and I already have methods for glitching typefaces https://www.hellocatfood.com/create-your-own-glitch-typeface/
Back on this again, this time coming across ctrlcctrlv's second method for creating variable fonts https://www.youtube.com/watch?v=m5z4sDECCGA
Another issue is that the essential creation and renaming of layers (need one called "End State") isn't possible as, for me, when entering a layer name certain letters are interpreted as tool shortcut keys.
"s" and "a" are shortcuts and so it comes out as "End tte". Argh!
Any other Fontforge users getting this?
I now have a process that works. I'll probably write a blog post about it but in short it involves first "sanitising" a font by opening and reexporting it in Birdfont, and then opening in fontforge.
In fontforge I then "randomly" move points in the curve, taking care not to change the curve type.
After modifying each glyph I run scripts linked in this tutorial video https://www.youtube.com/watch?v=xoQuWARCUWI to make sure that I haven't messed up the file.
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