New 3D printer tech uses elliptical laser beams to stir molten metal and create ‘alloys-on-demand’ — existing machinery can implement technique in software meaning for more convenien from Latest from Tom's Hardware on 2026-06-14 13:02 (#76A2A) NIST has demonstrated a metal 3D printing method that stirs molten metal during the print by sending the laser along looping elliptical paths instead of straight lines.
