Tools & Making

Charles Hull

stereolithography (SLA) 3D printer

United StatesEvidence: high confidenceChecked July 2026

Charles Hull invented stereolithography and commercialized the first SLA 3D printer. The National Inventors Hall of Fame identifies Hull as stereolithography’s inventor and explains its industry impact. 3D Systems announced on February 17, 2025 that Hull, its chief technology officer, was elected to the National Academy of Engineering.

01

What Charles did

invented stereolithography and commercialized the first SLA 3D printer

02

Why it matters

The National Inventors Hall of Fame identifies Hull as stereolithography’s inventor and explains its industry impact.

03

Living-status check

3D Systems announced on February 17, 2025 that Hull, its chief technology officer, was elected to the National Academy of Engineering.