A different approach, might come in useful.
This using only paths and Ottia Tuota's Path Transforms plugin see: https://www.gimp-forum.net/Thread-Path-transformations
Using this:
The plugin dialogue: Path shaped by a bezier arc
Gives this:
Remember, that arc is a 2-node path, no use making from a circular selection.
This using only paths and Ottia Tuota's Path Transforms plugin see: https://www.gimp-forum.net/Thread-Path-transformations
Using this:
The plugin dialogue: Path shaped by a bezier arc
Gives this:
Remember, that arc is a 2-node path, no use making from a circular selection.