Star Trek had the replicator. We have 3D printers that are gaining in popularity and becoming more reasonably priced to own and to operate. Here is one father's story to inspire teachers and students to think creatively.
Yes, rather you need a new hand, a tool on the space station, or a new toilet bowl brush at home, this may be our future.
If you had access to a 3D Printer in your classroom, what would you do with it?