Hello, today I made a new GEGL based plugin for GIMP that does neon electric outline that is termed "Saber" by the industry/graphics community. Enjoy and everyone is welcome to share feed back.

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LOCATION TO PUT BINARIESWindows C:\Users\(USERNAME)\AppData\Local\gegl-0.4\plug-ins
Linux ~/.local/share/gegl-0.4/plug-ins
Linux (Flatpak includes Chromebook)~/.var/app/org.gimp.GIMP/data/gegl-0.4/plug-ins
If you are on GIMP 3 beta just search for / "saber"

Saber is also on Github here
https://github.com/LinuxBeaver/GEGL-GIMP-PLUGIN_Saber