777 OSAT projects 2019
Assignment
- Identify an OSAT that you would like to design to be a 3D printable technology
- Make sure someone else has not already done it: existing designs here. Also check former years 2014, 2015, 2016, 2018, (You can choose to do a major improvement on past design)
- Reserve your OSAT by signature tagging with ~~~~ next to the OSAT on the list generated by the Appropedia community: Requests for 3-D printable open source appropriate technology. You can add your own ideas to the list, more than one of you can tackle the same tech in a different way, you may improve upon existing designs if you do so in a significant way. Double check someone else has not already done a better job - use http://yeggi.com
- Design 3D printable components with ONLY OS CAD packages (e.g. OpenSCAD, FreeCAD, or Blender) for FreeCAD put on https://www.youmagine.com/ and link back to it on Appropedia.
- Create an Appropedia page for your project. (Easiest way to create a page is put double square brackets around your project title on the reservation list - this will create a red hyperlink to it)
- Include the following sections on your page using the template below (copy and paste wiki markup into your page)
- Add picture and link to your project page in gallery below.
- Print component and bring to class/ online students drop it off at Dr. Pearce's office box
Grading
- 20% Print quality
- 30% Documentation
- 25% Design (design for printing, plastic minimization)
- 25% Function - Is it OSAT? Does it work?
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Automatic reductions:
- 50% no source or the use of non-OS software
- 10% per day for late
Gallery
Add your image and link the gallery below in a single line after the last one in the list
- 777 OSAT 3-D Printable Designs
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Calipers -

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Rain Chain -

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![[1]](./_assets_/aaa15621175daed65f443f324d059833/Neck_Immobilizer_Half_Assembly.jpg)
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Toilet Paper Holder jdmajors -
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2L Seed spreader [2] -
Parametric brace for broken or sprained thumb "Thumb Spike" -
Manual Pea Sheller [3]
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Menstrual Cycle Tracker [4] -
Fully Printable Berry Picker [5] -
T Fitting [6] -
Potato Ricer [7]
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AutoInejcter[8] -
Modified cap for turning two-liter bottle into sharps disposal container [9] -

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Bike BrakesOpen Source Bike Brake -
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Car Charging Port https://www.thingiverse.com/thing:4023342
Template
| Authors | Joshua M. Pearce |
|---|---|
| License | CC-BY-SA-3.0 |
| Cite as | Joshua M. Pearce (2019–2025). "777 OSAT projects 2019". Appropedia. Retrieved November 28, 2025. |