The present invention relates to an article fabrication system having a
plurality of material deposition tools containing one or more materials
useful in fabricating the article, and a material deposition device
having a tool interface for receiving one of the material deposition
tools. A system controller is operably connected to the material
deposition device to control operation of the material deposition device.
Also disclosed is a method of fabricating an article using the system of
the invention and a method of fabricating a living three-dimensional
structure.