Yes, faceting problem is what I meant, and indeed the vertices of lores sphere are located exactly on hires vertices, or the projection would have given bad results. As for the bulging effect, you can see it on eye2projcl.dat where the pattern central area meet the 4 lores triangles on each end of the 2-8sphe shape.
I'll update the part (full sphere) when time permits.
I'll update the part (full sphere) when time permits.