What a neat and simple idea for a pattern! tie string tightly around a block of wood, dip lightly in ink and press to the paper using different, alternating directions. This will give you a "basket weave" effect when you're done.
Long distance birthday gift for my 13 year old son. He was born on the thirteenth so there were 13 balloons all labeled with a number. His instructions were to pop 1 balloon per day all the way up to the big Each balloon contained a different denom