Wematter Acquired by 3D Systems Wematter was a manufacturer of entry-level selective laser sintering (SLS) printers. In mid-2023, Wematter was acquired by 3D Systems, a market leader in 3D printing. At Formnext 2023, 3D Systems showcased its new system based on the Wematter printers. Wematter Acquired by 3D Systems