Marked up all outer skin overlaps and tape locations.
Radiused aft edge of seatback with 1/16" rounding bit, finishing with hand sanding. Flox corner remains in 3 locations, (but I don't know how much), got down to the foam once. Don't see it matters..
Floxed on assembly and clamped with cleco
routing my carefully constructed aft pointy bit to something glass can follow