I prepared the triangular packers for the recesses in the canted corners and sawed the frets out of pre-sized 1/8″ (3.2mm) thick veneer (fig. 1).
Once the corner packers were glued in place, I moistened their faces and the sized faces of the frets and then pressed them in place (fig. 2).
The hours involved in the work in this post come to 16-1/2.
The total hours involved to-date come to 160-3/4.