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Relativity Space Unveils New 3D Printer

Long Beach-based Relativity Space says it has unveiled a new generation of its 3D printers, which are being aimed at printing 3D rockets. The company said it is now into its "4th generation" of its printers. The company has yet to print and launch a rocket into space. The company is developing 3D metal printing technology. The company says the new printer can print objects up to 120 feet long and 24 feet wide.