Aside from the whole organic-3D-printing-of-entire-humans angle...
The article doesn't actually describe anything similar to 3D printing either. The justification for calling it that is pretty much: 3D printing involves assembling a final product from raw materials; the proposal also involves assembling a final product from raw materials; therefore we're talking about 3D printing.
In general the idea is interesting -- although it's hardly new, and we're so far from the technology level required to do it that it's still in the realm of science fiction -- but the 3D printing angle is nonsense.