You can search the archives for how to install and use openlilylib. It's not hard. I think Urs has a page where he has written instructions also, but I don;'t know where.
Andrew On 15/09/2020 12:52 am, Martín Rincón Botero wrote:
Does Lilypond have this symbol natively? https://www.smufl.org/version/latest/glyph/pictScrapeAroundRim/