An interesting if challenging design. Points plus 8 seams meeting in the center. Published as Noxall by Hearth and Home magazine about 1900-1910 BlockBase #3357 Noxall? Apparently it was a catchy name, as in Knocks All the Competition. Nox-All Hats Noxall harness And there was a Noxall flour for which a small community in Missouri was named. By Polly Tyndall from the North Carolina Project and the Quilt Index. (1880-1920) If one ring of spiky points was good two was better. Another variation without a number or a name. Just four seams meeting in the center. Mariner's Compass? A magazine page. A different proportion by the Curry Sisters from the North Carolina Project and the Quilt Index, about 1880-1920. You could piece it over paper foundations I exported BlockBase #3557 into Electric Quilt and drew extra lines going north/south and east/west. Print this out on an 8-1/2 x 11" inch sheet for a paper pieced arc. If the line along the bottom and right sides = 7-1/2" you'll have a 15" finished sunburst. The inner triangles are template pieced.