Mantle is launching a new series of $350,000 machines that can 3D-print the mold inserts that are used to produce injection-mold plastics. It’s hard to overstate how important this will be — I ...

Novi, Mich. — Grand Rapids, Mich.-based mold maker Krieger Craftsmen Inc. has created a J-Flex division for the specialized manufacturing of mold inserts to produce reflector lenses for the ...