A quilled flower set in the middle of thisn would make a pretty ornament! Just thread a cord through one of the inside of the tubes and pull it through the top, for a hanger. I would make single layers, if I were making an ornament.
Here's a simple button star Christmas ornament craft for kids inspired by the children's book, Corduroy! It's an easy homemade ornament that can be adapted for toddlers, preschoolers, and kindergarten.