For thousands of years, animal bodies have been used as living 3D printers—or sentient printheads, we might say—but the range of possible material outputs is set to change quite radically. In fact, bioengineering is rapidly making this idea—that spiders, silkworms, and honeybees, to name just a few, are already 3D printers—more than just a poetic metaphor.
Concrete Honey – BLDGBLOG http://buff.ly/2hLtP9p
