Tiny and portable, it hardens the resin using the light of the smartphone screen. It uses 4AA batteries for power.
X-Y resolution: up to 0.042 mm (quality dep. on device)
Z resolution: up to 0.036 mm (0.12 mm in quick-mode)
400cm3

https://www.kickstarter.com/projects/olo3d/olo-the-first-ever-smartphone-3d-printer