In this timelapse video, sped up 100x, Northwestern University researchers' HARP (high-area rapid printing) 3D printer is so fast, the technology enables record-breaking throughput for manufacturing products on demand.

In this timelapse video, sped up 100x, Northwestern University researchers' HARP (high-area rapid printing) 3D printer is so fast, the technology enables record-breaking throughput for manufacturing products on demand.
HARP prints vertically, using ultraviolet (UV) light to cure liquid resins into hardened plastic.