3D Systems, Inc.

3D Systems, Inc.- Manufacturer of SLA Series stereolithography rapid prototyping machines, Actua Series 3D printers, and 3D Keltool rapid production tooling process. SLA machines fabricate prototypes by laser-hardening successive cross-sectional layers of epoxy- or vinyl-based resin. Actua 3D printers "print" 3D models using a thermopolymer plastic.