In this project we experienced decorating the ceramic pieces with under glaze paint. First I made few drawings and decided on my colour scheme:
Then I applied the paint on my thrown bowl:
Then I choose this piece...
... and painted colours over its surface. Finally I took a sponge and remove the paint of the edges of its scratches to give an impression that the paint was used only in the middle of each scratch:
On the right image you can see the final piece, I think it looks very well.