When my niece bought her kitchen table a couple of years ago I made a large round hotpad to put over the glass piece in the center of the table.  I think she liked it better than she thought she would and asked if I would make another for her birthday so she could periodically change colors.  She was especially excited when I told her I could put a different color on each side.  I use the round portion of the solid square from the following pattern adding rounds, make two, and then single croche