Main pic is just after giving it a good wash.
https://pic8.co/sh/tDzjXD.jpg
Made a stencil by putting masking tape on the stone, the image on the tape, then tracing and removing with a blade until I got this:
https://take-me-to.space/AjSmuFEQ.jpeg
Then trace that tape with a Dremel and a tile cutting bit:
https://pic8.co/sh/NxHFao.jpg
Looked pretty good, so I made a mess of it with the 4" grinder, in retrospect I should have taken out the 1"...
https://www.imgbly.com/ib/OcbokDK28Y.jpeg
Time to move onto cleaning it up with an assortment of hand tools. Chisels, diamond files, regular files, an old paint brush for dust removal, some 80 grit sandpaper for the larger areas.
https://pic8.co/sh/lThcDz.jpg
Just a few sections left at this point
https://pic8.co/sh/NBeNjW.jpg
All dried up:
https://pic8.co/sh/4QFpLx.jpg
(post is archived)