Photo attached. I have done some more experimenting since posting this and learned a few things (I think).
LItho is not stiff enough to hold a fine grain pattern. It turns to mush. I am currently working with poplar but even that has issues with holding a pattern. Machining with a 0.1mm 20 deg. vbit
You can kinda get a pocket around the image by fiddling with the invert setting and transparency but PhotoVCarve is really lacking in control for this pocket which is fairly critical for producing a stamp since it has to float about the surface of the stamp.
I was working at 1xx overlap which machines away too much of the material. I am going down to 80 or so which is going to reduce the definition but I hope will leave enough material behind to serve as a stamp.
For those of you who have never tried it, you have to embed the PhotoVCarve output “as is” in your Vcarve project to combine a picture with text. Again this is a pain because you have a pocket for the text and then a (sorta kinda) pocket for the image which doesn’t overlap. Guessing I will end up with Dremel in hand to finish this assuming I can get the photo settings working.
Yes the photo is a bit challenging but unfortunately black cats are black all over.