SOUTHFIELD, MI, USA, Dec 3, 2025 – Angstrom Group, a leading full-service supplier to automotive and industrial OEMs, announced the acquisition of Mantle, a San Francisco–based leader in metal 3D printing for tooling. This acquisition will expand Mantle’s reach and accelerate the adoption of its automated toolmaking technology across global manufacturing markets.
The acquisition represents a significant milestone for both organizations, aligning Mantle’s groundbreaking metal additive manufacturing system with Angstrom Group’s deep industry expertise and diverse portfolio of manufacturing-focused companies. Together, the two companies aim to deliver new efficiencies and create opportunities for molders, moldmakers, and OEMs worldwide.
“With Mantle now part of the Angstrom family, our goal is clear—to industrialize this breakthrough metal additive technology and make it broadly accessible,” said Nagesh Palakurthi, Founder and CEO of Angstrom Group. “By offering financing solutions and integrated tool design services, we will help customers adopt and benefit from advanced metal 3D printing—transforming manufacturing at scale.”
“This is a very exciting day for Mantle and our customers. The Angstrom Group has a stellar reputation in the manufacturing industry, and by combining forces, Mantle will be able to further our mission of revolutionizing toolmaking for plastic part manufacturers globally,” said Ted Sorom, Mantle’s CEO. “Toolmakers should expect to see continued innovation and efficiency as Mantle’s TrueShape technology is further advanced and expanded with the full backing of the Angstrom Group.”
Angstrom Group’s investment provides Mantle with the resources to expand production capacity, strengthen its partner network, and accelerate deployment of its hybrid additive–subtractive manufacturing systems. Mantle’s technology combines precision metal 3D printing and CNC machining to produce high-quality tooling components faster and more cost-effectively than traditional methods.
About Angstrom Group
Angstrom Group is a leading Tier 1 full-service supplier to automotive and industrial original equipment manufacturers. With a strong global footprint and a reputation for engineering excellence, Angstrom delivers high-quality components and assemblies supported by advanced design, vertically integrated manufacturing, and long-term customer partnerships.
Founded in 1999 as a Michigan Certified Minority Supplier, Angstrom has built a diversified product portfolio with operations spanning 41 locations across North America, South America, and Europe. The company’s capabilities include Metals (Casting, Stamping, Forging, Tubular Forming, Machining, and Assembly), Resins (Injection Molding, Foam, and Fiber), and Electrical Components (Pedal Modules, Wire Harnesses, Battery Cables, Lighting, and Assembly Modules). For more information, visit https://angstrom-usa.com.
About Mantle
Mantle has developed an automated toolmaking system specifically designed for the production of injection mold tooling. The combined metal 3D printing and CNC machining technology automates the production of high-quality tooling components, enabling molders, moldmakers, and OEMs to build tooling in-house. Implementing Mantle allows companies to take control of their tooling, reduce lead times and costs, and address today’s labor challenges in the toolmaking industry. For more information, visit https://mantle3d.com.

