Brianna Privett over at the illustrator's blog Illustration Friday has posted a great account of her experience with Ponoko - most interestingly, her inspiration came from a public domain book, Rambles of an Archaeologist Among Old Books and in Old Places by Frederick William Fairholt. Her showroom pitches her jewellery and other bits and bobs thus:
"Designs from public domain literary works - key fobs from the Wizard of Oz, ring designs from a Victorian anthropology collection, an early Celtic buckle, hair sticks from feather engravings from a book on birdwatching from 1881."
The designs are available for free at her showroom here. A great synergy of public domain artwork and digital manufacturing, thus creating public domain objects!