The clip-on idea solves a few ... that works out to 3430 PPI. Without the magnifying prism, though, the resulting image is smaller than Google Glass. While the Glass display sat slightly right ...

The screws that go in your phone are minuscule, and a magnifying glass is really handy if you want to check out the detail on your 3D prints. While this is easy if you have good eyesight and you ...