Right now, the design is being tested on mice, and pigs are next on the testing schedule.
Implications - The printer would create skin only for emergencies. The printed skin would act like a type of glue and stick to the body. The chamber of the printer would contain skin cells and collagen, which are blood coagulants. The two get mixed to form what is called fibrin. The fibrin is then topped with keratinocyte skin cells and voila! A speedy recovery is on the way.