New book - 'Building a Better World in Your Backyard' - on Kickstarter (sponsored friend)
The OphthalmicDocs Fundus is a 3D printed universal smartphone retinal imaging adapter. It is capable of taking high quality retinal images with up to 40 degree field of view. The 3D model free and downloadable from any region in the world - thus making it an awesome example of 3D-printable OSAT.
For other Innovations from the same team see: http://www.ophthalmicdocs.com/#!product/c1c32