A conic gradient from 0 to 95%, "prepressed" in gimp with a dissolve layer blend, traced by openclipart. Some banding seem to be present at the midtones. Edit: seems it was "simplified" by openclipart, now it is empty.
feather traced conic gradient free icon was designed by Lazur URH for icons Png and presented to its users.
Lazur URH
2/26/2018