Hi Roy, regarding your question about making your own scorpers:
(“scorpers” for setting, “gravers” for engraving - don’t ask me why -
ain’t language grand?)
Part of my setting classes is to have my students make a simple “bull
stick” for hand cutting bearings in bezels. They get a piece of 3mm
tool steel rod and a handle and grind and file the rod into the right
shape then harden and temper it. While I recommend the commercial high
speed steel scorpers, the experience of making at least one tool gives
them valuable insights into the whole tradition. It also leaves them
with the confidence to alter existing tools where needed. I also have
them make their own pushing tools because of the variations of purpose
in the use of these tools as well.
So if you want the experience of making your own, go for it. But you
can buy perfectly good ones.
Kind regards, Rex from Oz