Emerging 3‑D Printing Technologies to Watch in 2026
While most engineers are still mastering today’s additive processes, a new wave of technologies is approaching commercialization. Volumetric printing generates entire parts simultaneously in transparent resin baths, dramatically reducing layer lines. High‑speed stereolithography flights resin droplets under controlled humidity, curing them mid‑air for record build rates. Cold‑spray deposition accelerates metal powder to supersonic velocities, consolidating it below melting temperature and enabling large‑scale structural repairs. Volumetric approaches promise isotropic mechanical properties and surface finishes rivaling injection‑molded plastic. High‑speed SLA could compete with mass‑production methods for small polymer parts by hitting build speeds measured in centimeters per minute. Cold‑spray technology stands to revolutionize field maintenance by depositing structural aluminum or titanium directly onto damaged aircraft frames without inducing a heat‑affected zone. The technology hor...