Do you have a great idea for a open-source appropriate technology that could be 3-D printed? First check out all the existing designs here. If you can not find it then click the "edit" below and post your idea. If you have an Appropedia account you can tag it with your signature --~~~~
Designers if you see a request for an item you would like to work on - similarly you can tag it with your signature --~~~~ and leave a message for the requester.
Requests
- Treadle pump - working on it now at MOST --Joshua (talk) 15:57, 21 July 2014 (PDT)