(01-10-2019, 07:05 AM)Natrixx Wrote: Hiya! I have an ordinary, square border in Gimp, that I'd like to give a handpainted touch, something like the attached picture. Not a big problem, I suppose, but I would love to hear your thoughts/tips on how I could achieve that.
bw,
Mike
Worth looking at the G'MIC filters, lots of options there which may be of interest with this