Even at 67, the new project and new technology fascinates. I will be availing of it for a second invention as soon as I have the final protos in developers' hands. As to printing at home? ... The Objet Connex is well over $100,000, and that is perhaps state of the art yet not accessible for typical middle class homes.
BTW, 3D printing with biological materials is already a reality. Can you imagine? LOL