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Human inner ear

by neurothing, published

Human inner ear by neurothing Jul 24, 2012

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17014Views 2954Downloads Found in Biology
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Summary

3D printed model of a human inner ear (cochlea, vestibule and semicircular canals) derived from MRI data of a human cadaver. Printed about 12X actual size.

Instructions

Derived from MRI vrml file from McGill University (http://audilab.bmed.mcgill.ca/~daren/3Dear/inn1.html), I converted the vrml to stl, carried out 25% mesh reduction using Rhino3D, played with the orientation (there is only one orientation that prints well even with support). Printed it on a Replicator with 5 shells and 5% infill in ABS on a raft with exterior support.

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17014Views 2954Downloads Found in Biology
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Human inner ear by neurothing is licensed under the Creative Commons - Attribution license.

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Prints surprisingly well at just ~2x real life scale. Nice small educational print! Great for showing how form defines function in anatomy, with the 3 interstitial tubes acting similar to levelers for the x, y, and z dimensional axi to give a person a sense of balance. Hard for some students to understand such structures from just 2d pictures.

hello could explain how I can convert those MRI files into other 3D CAD program files? such as .stl or .stp

Very interested and I got a question neurothing.
How did you get 3D printing info from MRI files? I mean... any special converting program, do you have???

Scale it down and put it on an earring hook! Makes a neat EARring.

I tried to print this two times, and it did not stick to the platform to print properly.

I am printing this for a local rehab facility. They have asked for a right ear to go along with this left ear. Can anyone tell me if it is possible to invert the file to create this? thanks - Osawatomie Public Library

Bravo!
Since Zygote body is not open source and that 3Dbody parts proposes only brain parts; it might be time to recreate parts of the whole body in order to create an complete customizable open source library.

Thank you for this model.

Hi,

I tried to make a model from one of our patient's data today but our resolution is obviously not as good as Yours.
I used data from a T2 spc3d sequence with a resolution of 0.6 mm.
What are You using? And -out of sheer curiosity- why "of cadaver"?
Our patient was still alive and kicking, so to speak ;)

Christoph

Printed it today with PLA, printed fine, 3hours 20 minutes. Friend works as an audiologist, she will use it to discuss balance problems with patients. Thanks a lot.

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