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Human Hand Bones - Thumb

by siderits, published

Human Hand Bones - Thumb by siderits Jan 15, 2012
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18323Views 11796Downloads Found in Biology


This project used a Next Engine Laser scanner and was undertaken in association with the Pittsburgh Supercomputing Center and the Center for Parabiotics Research.

Modify these files for example create a void space for an embedded sensor or attachment points for ligaments and tendons. Place a channel down the center for wiring or even lighting.

See blue image for example of modified file. Tip recess for sensor with attachement points for ligament and muscle wires.


Printed with Up3D! printer (you may need to scale individual files if they don't look correctly sized). You can find average hand bone sized several places on the web.

01 SCP- Scaphoid
02 LUN - Lunate
03 TRQ - Triquestrum
04 PIS - Pisiform
05 TRP- Trapezium
06 TRZ -Trapezoid
07 CAP -Capitate
08 HAM - Hammate

11 3MC - Third Metacarpal
12 4MC - Fourth Metacarpal
13 5MC - Fifth Metacarpal
14 PP - Proximal Phalange 1,2,3,4,5 fingers
15 MP - Middle Phalange 1,2,3,4,5 finger
16 DP - Distal Phalange 1,2,3,4,5 fingers

Image reference: http://home.comcast.net/~wnor/lesson5palmofhand.htm

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Hello Siderits,

Thank you for replying to my last question. Actually I got a really small model. Can you please share with me the hand bones skeletal data, the real ones as i need them in the process of making the hand prosthetic hand project we are working on. many thanks, Cheers.

Hello guys !

Thanks first for the 3D data, its really helpful, its just now im stuck as i dont have the data for the index metacarpal...can you please unpload it ... thanks in advance.

Sorry, I uploaded 2MC.STL.

Got it, Thank you sooooo much

Hi There!

I downloaded your model last night and although I'm not an anatomy expert I think that the metacarpal bone of the second finger is missing, is it possible or I'm wrong?

Thanks in advance!


Sorry, I uploaded 2MC.STL.

Nov 5, 2015 - Modified Nov 5, 2015

For sizing - here is a reference from PubMed on the average dimensions of the trapezium ("...In the cadavers, the mean length, width and height of the trapezium were 22.8, 15.5 and 15.2 mm.") You can use these dimensions and scale the Trapezium file, then adjust all of the others equivalently.


Sorry, I uploaded 2MC.STL.

Hi. Thank you for the great model. I have a problem with the sizes. when I open each of the parts in cure, they all have a height of 0.8mm.
Their aspect ratio is not right. Is something wrong with my software setting?

Sorry, I uploaded 2MC.STL.

I think you just need to scale up by a factor of 10.
I did the scan in mm but made the STL in CM.
My best;

Thank you! I have been creating bone models for teaching hand anatomy!

Sorry, I uploaded 2MC.STL.

hello!! very nice files!!! i would like to know where did you take those bone structures from, mri or something like that? i want to work with it but i have to know where did it came from.. i´d really apreciate your help.

Scznned anatomy specimen, scale up by 10

I think some of these files may be mislabeled. I printed the 2 PP and it turned out to be the 2 MC

Sorry, I uploaded 2MC.STL.

You don't need to say it is free for use with robotics projects, that is already covered by the CC -by-sa licence you published this thing with. Or did you mean that it is not free for use in projects other than robotics?

Free to use