3-D Printing Grows Beyond Its Novelty Roots

The machines stand 20 feet high, weigh 60,000 pounds and represent the technological frontier of 3-D printing.

Each machine deploys 150 laser beams, projected from a gantry and moving quickly back and forth, making high-tech parts for corporate customers in fields including aerospace, semiconductors, defense and medical implants.

https://www.nytimes.com/2022/07/03/business/3d-printing-vulc…