612Curveball (James)

I'm James, the designer and maker behind 612PrintedPolymers. I personally develop, prototype, manufacture, and ship every product—from CAD models and molds to printed and machined components.

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My rapid 3D-print-assisted molding process lets me offer a wide range of sizes and component options. I choose materials for the job, including platinum silicone, TPU, PETG, and carbon-fiber-reinforced nylon, with lasting quality and value in mind.

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My work draws on 15 years of materials engineering and product design, plus a PhD in Chemical Engineering with a materials focus.

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I run this business alongside a full-time job and family life. Thank you for supporting an independent maker and for your patience during busy periods, especially around the holidays.