<p>I've heard of 3D printed ears, limbs, and muscles. I assume if you were to attach one of these ears to a person, it wouldn't have a sense of touch and other properties that a real ear would have. So which properties of real human parts does 3D printing allow and which properties is 3D printing not capable of reproducing using current technology. And how do you predict those technologies will change in the future to further improve 3D printing? </p>

<p>Also can someone explain how human cells can be printed? Would this involve some kind of cell-plastic filament? How would the cells survive, etc. Where would you get these cells from and how would you be able to go from using a 3D printer to layer these cells together to then forming an organ out of that?</p>

CC BY-SA 3.0
2016-04-12T14:36:55.273Z
Your question covers a lot of territory. I'm not sure if this site is equipped to get into the biotechnology of synthesizing organic tissue, but if you have a much more specific applied question about where you're having a problem with 3D printing specifically, perhaps someone can answer a bit more comprehensively than they can here.
Robert Cartaino
CC BY-SA 3.0
2016-04-12T15:33:19.910Z
@RobertCartaino I'd like to discuss this question [here](http://meta.3dprinting.stackexchange.com/questions/123/bio-printing-questions-okay)
tbm0115
<filament><3d-design><quality>
Which properties of real organs do 3D printed organs have?
Baki Hanma
# Which properties of real organs do 3D printed organs have?

(Asked by: username_0 on 2016-04-12)

I've heard of 3D printed ears, limbs, and muscles. I assume if you were to attach one of these ears to a person, it wouldn't have a sense of touch and other properties that a real ear would have. So which properties of real human parts does 3D printing allow and which properties is 3D printing not capable of reproducing using current technology. And how do you predict those technologies will change in the future to further improve 3D printing?

Also can someone explain how human cells can be printed? Would this involve some kind of cell-plastic filament? How would the cells survive, etc. Where would you get these cells from and how would you be able to go from using a 3D printer to layer these cells together to then forming an organ out of that?

**Tags:** filament, 3d-design, quality

> **Comments:**
> **username_1**: Your question covers a lot of territory. I'm not sure if this site is equipped to get into the biotechnology of synthesizing organic tissue, but if you have a much more specific applied question about where you're having a problem with 3D printing specifically, perhaps someone can answer a bit more comprehensively than they can here.  
> **username_2**: @username_1 I'd like to discuss this question [here](http://meta.3dprinting.stackexchange.com/questions/123/bio-printing-questions-okay)  

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