3D-printers already make a lot of items but one local kid is using his machine to make key chains for all Kansas City sports teams. 3D-printers already make a lot of items but one local kid is ...

Brands and retailers submitted $200 million of manufacturing projects on Keychain in the last month alone, says cofounder Oisin Hanrahan.

Keychains may be one of the most unremarkable yet distinctive items in today’s world. Considering their ubiquitous usefulness in holding keys to toys that reflect individualistic notions, they have ...