Another approximation. Original redrawn from scratch. This one doesn't use clipping. Tile is now a thin sector of 1°, with a 0,5° overlap. Seems to lack on rendering through cairo for this reason, see interference of edges getting "semi-transparent". Maybe time to contact the developers.
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conic gradient 2 free icon was designed by Lazur URH for icons Png and presented to its users.
Lazur URH
3/16/2018