Here are a couple pictures of my the plates I made last night with the concentric circles. I think I should probably wait until I trim them next time (I mean when I make the next ones) and make the circles or designs at that time. Parallel squiggle lines would be fun, too. When the clay is soft, it doesn't seem to work nicely. That's what I was trying to describe in the original post. I make the circles and then when I try to soften the edges a little, the soft clay runs down into the grooves and makes them uneven, even using just a barely damp sponge. The picture of the best of the four wouldn't load. I got a note that said the file was too big. I think you get the idea, though.
Yes, these are serving pieces. I think I said that in the original post, too, but I have a tendency to be too wordy and people skim read. My problem, but I'm from the Deep South and can't even say hello in fewer than 25 words. LOL. I make bowls better than I make plates, but don't know how to make pestles, so guess I'll stick with plates (dishes?).
I'm getting a great education here. What's the difference between a plate and a dish?