This 3-D printer can fit in the palm of your hand
The proof-of-concept device is a step toward making the technology more portable
![A rainbow-hued strip with black markings on it sits atop a U.S. quarter](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2024/06/062424_cy_tiny-3d-printer_feat.jpg?fit=1030%2C580&ssl=1)
This prototype 3-D printer is roughly as long as a quarter is wide. Eventually, researchers hope the printer can be used to produce objects useful for daily life.
S. Corsetti et al/Light: Science & Applications 2024