Hey! This thing is still a Work in Progress. Files, instructions, and other stuff might change!


by TeamTeamUSA, published

MakerSenga by TeamTeamUSA Nov 9, 2012

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"Every minute, at least one woman dies from complications related to pregnancy or childbirth"
-World Health Organization http://www.who.int/features/qa/12/en/index.html

UPDATE 02012-12-15: Meeting went great; beginning collaboration with WinSenga team in 2013! First order of business is obtaining an antenatal care medical manikin/simulator. Anyone have one they want to donate?

UPDATE 02012-12-04: Excited to meet the WinSenga team this week! They're in the US taking meetings and receiving their Microsoft Imagine Cup award.

Inspired by the awesome work of the WinSenga team http://www.bbc.com/future/story/20120927-mobile-ear-for-pregnancy-problems, this is a MakerBottable Pinard horn http://en.wikipedia.org/wiki/Pinard_horn, a 19th century fetal stethoscope. This MakerSenga - senga is the local Ugandan name for midwife - can be used to diagnose fetal health by a trained practitioner or, paired with the end cap microphone, by anyone with the WinSenga software!

By Miles Lightwood of TeamTeamUSA.

Community health worker photo by Sven Torfin


For a traditional Pinard horn, print:

  • MakerSenga.stl

For a potentially WinSenga http://winsenga.org compatible Pinard horn, print both files:

  • MakerSenga.stl
  • MakerSenga_cap.stl


  • You must use support material to print the MakerSenga_cap.stl, and it's not as difficult as it sounds! Use MakerWare's built-in raft and support if you've got a Replicator, or use Matt's excellent support settings for a T-O-M or a Cupcake: makerbot.com/blog/2011/06/27/makerbot-microtip-using-the-support-features-in-skeinforges-raft-tool/
  • Once printed, the support material is easily removed.
  • The cap doesn't rotate fully to a locking position yet (but can be sanded/filed to fit).
  • The exact microphone has yet to be determined, but the one pictured is the first candidate. The design will remain "in progress" until the final microphone is determined.
  • The pictured MakerSenga has not been tested with WinSenga and is a proof-of-concept only.

You can print it - you know you can!

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Printed one on Ultimaker. Seems no need for support material on Ultimaker. Will have to wait a couple of weeks before I'll hear my baby in my wifes belly ;-) Hope I'll b able to connect a phone to this soon. Cheers! Is there an android version of to app in progress available for testing?

Thanks for the Ultimaker printing info. Your print looks great!

I'll ask the Win Senga team about an Android version.

Great stuff man, hope you're able to collaborate with Win Senga.

This might be the best Thing I've seen on Thingiverse, ever.

Thanks! I'm reaching out to the WIn Senga team and hope to work with them. WIll post updates here.

Received a reply from the Win Senga team and will start collaborating with them to make this widely available!

Meeting the WinSenga team this week! They're in the US taking meetings and receiving their Microsoft Imagine Cup award.

Meeting went great! Beginning collaboration with WinSenga team in 2013! First order of business is obtaining an antenatal care medical manikin. Anyone have one they want to donate?