 Sigma Technology to be Provided as a Factory Option for the ENAVISION 3D Metal Additive Machine SANTA FE, NM ACCESSWIRE April 7, 2021 Sigma Labs, Inc. NASDAQ:SGLB Sigma Labs, a leading developer of quality assurance software for the commercial 3D metal printing industry, has been selected by Ermaksan Innovative Technologies to provide its In-Process Quality Assurance technology, PrintRite3D, as a factory option on its ENAVISION 3D metal additive machines and will be integrated with the Materialise Control Platform MCP. The cooperation commences with an initial contract for a single system from Ermaksan to install PrintRite3D at a new customer site in Turkey. 