Gimp-Forum.net

PS: evidently I didn't consider to remove the BG in the example, which certainly has to be performed to create a "bust", I was concerned on the "rendering" of the main subject as a 3d "bronze".
Garagecoder's filter is IMHO a very good tool for that purpose.

For the sake of completeness, the original thread was probably the May 8, 2016 one at GimpForums.com, found mentioned (but not archived) at:
https://web.archive.org/web/201605220929...um-general