Use custom fonts from SD card - Inky Frame?

Is there a way to add a font, (vector, bitmap, …) to the SD card and use that to draw text?

…interesting question…anybody tried?
I never did, because the font wasn’t so memory intense that I was considering to move it to the SD card…
On purpose, I (obviously) did this with a bunch of pictures, though.

…has anybody tried out so far and can report how to handle and load fonts from SD card ? I know that @Tonygo2 played around with fonts and there also hershey fonts under discussion in some threads here, but I can’t remember anybody read fonts from SD card…

Any luck? I am unable to get it using custom fonts at all.