Dinsmore
Plastics ManufacturingCalifornia, United States11-50 Employees
Dinsmore Inc., based in Irvine, California, operates in plastics manufacturing and provides a range of additive manufacturing and related design services. As part of the ADDMAN Group, it offers end-to-end support across additive manufacturing, 3D printing, product design and development, rapid prototyping and manufacturing, and rapid tooling. The firm works with industrial design firms, OEMs, inventors, architects, startups, and investors to move ideas from concept through production. The team consults across the product lifecycle, aiding with initial concept, functional prototyping, tooling for mass production, and final parts fabrication. The ADDMAN Group positions Dinsmore within a broader manufacturing solutions network, which has expanded through acquisitions. In January 2026, ADDMAN Group announced the acquisition of Forecast 3D, broadening its polymer additive manufacturing and 3D printing capabilities in North America.
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