Hi John:
Glad to see you like it.
For a laser, you simply scan many times using the grayscale image as a scan power
setting. Blacker the pixel, the more power to apply. For STL's of course they can simply
print it. In future Ill add an "engraving waterline" module which will engrave using small
ball mills or V-point milling tools. The resolution you get of course will depend entirely
on how tiny a tool you can push through that material and how long you wish to take to
cut one. If their popular Ill add some more features to them perhaps, but I wrote them
because I wanted to see how hard they would be to make, and because Ive long been a
fan of them as decorative artwork on wood. I cut my first knot into wood about 10 years
back and was always impressed with them.
Art