Sigma Labs (NASDAQ: SGLB) is an emerging provider of quality-assurance software to the commercial 3D-printing industry under the PrintRite3D brand. Founded in 2010, Sigma is a software company that specializes in the development and commercialization of real-time, computer-aided inspection (“CAI”) solutions known as PrintRite3D for 3D, advanced-manufacturing technologies. Sigma Labs’ advanced computer-aided software product revolutionizes commercial additive manufacturing, enabling nondestructive quality assurance mid-production, uniquely allowing errors to be corrected in real time.