Here are my first 4 letters of the alphabet, the dotti version.
I painted hot wax on cardboard first.
Wen this was cold and hard I painted several layers of shellac over the top.
Then hit it with a heat gun to melt the wax witch separated the shellac.
The Letters are glued on rust-dust witch I scraped of an rusty piece of iron they are representing the dots.
I then covered the edges with copper strip used in lead lighting and added split pens in some spots to give it some more dots.