I have just been experimenting with a bit of colour printing on my last stone. Did three colours, red, green and yellow. Not a lot to say about it, I think the pictures speak for themselves:
An then I started layering them on top of each other, just to have a bit more fun.
Some are really hard to look at I find, like they are out of focus.
This one was my favorite one:
Boop, that’s it!