Additive manufacturing could turn ‘rust belt’ into ‘tech belt’

CLEVELAND — Exciting technology is taking shape in Northeast Ohio. It’s additive manufacturing, or 3-D printing, a concept that’s simpler than you might think.

“If you’ve made a layer cake, that’s additive manufacturing,” explains Malcolm Cooke of Case Western Reserve University.

“Two pieces of cake. Some cream in between. Plonk it together. That’s additive manufacturing.”

Traditional manufacturing is considered subtractive as a block of material is whittled down to produce an object, whereas additive manufacturing builds an object layer by layer.

“Very complex parts can be made relatively quickly,” says Cooke.

The technology has caught the eye of scientists at NASA Glenn Research Center for its cost effectiveness and convenience.

“It allows you to look at something you need, a part you need, and actually go and make that part,” says Carol Tolbert, of NASA.

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