Upon searching, on google of course, for cellular scaffolding I stumbled upon the Wiki article for tissue engineering and additive manufacturing which took me down a rabbit hole. I soon found out about Dr. Anthony Atala, M.D who has already started 3d-printing kidneys. What? This happened 3 years ago. I feel so out of date. Anyway, they are printing cells in some kind of pink gel using a gel extruder which looks to be pneumatically controlled. This is how our first paste extruder is going to operate. We have already ordered most of the parts, it's just a matter of finishing the plan and making the time!
Bioresorbable polycaprolactone has been shown to work great as a medical stint.1 The Scientist has a great mini review of 3d-printing entitled, "Organs on demand"
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