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anatomical heart

by DrewTM, published

anatomical heart by DrewTM Jan 31, 2013

Description

An anatomical model of a human heart, painstakingly assembled from obj files taken from BodyParts3D's database. They claim that I have to say this: "BodyParts3D, © The Database Center for Life Science licensed under CC Attribution-Share Alike 2.1 Japan"

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I have had no luck. I have found anatomically accurate hearts -- but nothing with the internal structure. I may build one this Summer, but I was hoping to get some models to my anatomy teaches before I leave in June.

I am looking for the same thing, have you had any joy finding a cross-section version? I need one for a university project I am working on at the moment.

If anybody happens to build the cross-section version of this, I would LOVE to get a copy. I actually got my 3D printer yesterday and the first "Could you do this?" question was a biology teacher wanting a 3D human heart that she could show students.

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Instructions

There are a couple errors in the STL mesh that I couldn't seem to get rid of, but it printed just fine. It seems a little larger than life-size, but I'm not really sure; I've never seen a real human heart. With 1:1 scaling this is nearly as big as a Makerbot Replicator would be able to print.

I used ReplicatorG (skeinforge) with raft and support turned on. "Support Minimum Angle" was set to 85 degrees, so it didn't build very much support at all. I also set the "Support Gap Over Perimeter Extrusion Width" to .015 so the support would detach more easily.

Comments

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askgriff on Dec 6, 2013 said:

If anybody happens to build the cross-section version of this, I would LOVE to get a copy. I actually got my 3D printer yesterday and the first "Could you do this?" question was a biology teacher wanting a 3D human heart that she could show students.

PaigeLindau on Mar 6, 2014 said:

I am looking for the same thing, have you had any joy finding a cross-section version? I need one for a university project I am working on at the moment.

Stephenwinter on Feb 3, 2013 said:

Very nice! Is the inside solid or can you cut it in half to show the chambers?

DrewTM on Feb 3, 2013 said:

To get it to print well and quickly as an exterior model, I've stripped out all the internal features. It took a lot of work to do, but I think it's worth it for my intended purposes. If you'd like to create one that is cut in half, the raw STL files are available for download here http://dbarchive.biosciencedbc... .

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Unfortunately, due to how their database is organized, you'll have to download a multi-hundred mb zip file and piece together about 9 of the included STL models, each of which is named with a seemingly random code like FMA3669 (i'm not sure if that's really one of the files, I don't have the list with me right now). To find out which codes you need, you have to use their strange web-viewer interface, which is quite difficult to navigate. (They also provide a .txt file which I did not find to be useful.) Then, after piecing them together, you'll probably want to trim the arteries and veins back down to a manageable, printable size.

To be fair, though, their database is worth every penny that it costs!</you>

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