Day 4

 Finalising the arch in order to start the re-curve or fluting of the plate. Rémi makes his re-curve between 0.5mm to 1mm deep, it is more for aesthetics then for the sound on the top part of the plate. The thickness of that area is adjusted from the underside when you hollow the plate. I think this is the way to go if you don't want a sudden and deep fluting. This also means that you can start hollowing quite close to the linings without leaving a flat step until the end of the re-curve

 I started the fluting with a small thumb plane and a toothed blade to prevent tear out, walnut is not a difficult wood but I would really recommend this on spruce !

 
 Notice the flat surface on the side, the current outline is 4 mm larger than the template and Rémi is aiming for 2mm of bindings and 2mm of purflings add an extra 1 mm to be safe and start your re-curve from that point.