As a large 3-D printer hummed away in the background, crafting name tags for an array of visitors from local schools and tech companies, the kids’ brainstorming was fast and furious: We could 3-D print a new fin for an injured dolphin! A shell for a turtle! A prosthetic leg for a puppy! A horn for a narwhal!
Thoughts roaming further, they considered how to help humans: a hand with articulated fingers; a cast for a broken arm; custom-fitted shoes that mold perfectly to the wearer’s feet.