@kevin-turvey 
Tyr this place 
https://guitarkitfabric.co.uk/paint-set-dye-nitro-2-color-sunburst-7141269446383-en.html

I use this method. Works very well.

      TIP: If you want Stewmac products without the import…   Read more»

@koendb I have a couple of these, a 12″ and a 9.5″ router bit. Works good if you are careful. It is important to get the fretboard centerline exactly parallel to the router table surface. I built a little jig/sled…   Read more»

Kevin
Which country do you live in. I have a supplier in Germany that is easier than America if you are in the U.K.