3D Printing Startups

Relativity Space designs, builds, and launches rockets, including Terran 1 (a 3D-printed rocket) and Terran R, a reusable medium-heavy lift launch vehicle. The company uses a vertically integrated approach combining 3D printing, AI, and autonomous robotics to manufacture launch vehicles with fewer parts.

37 investors

Mighty Buildings is a construction technology company that uses 3D printing, robotics, and automation to produce prefabricated, sustainable homes. Based in Oakland, California, it invented a 3D-printable material that allows entire building structures to be printed in a single cycle with up to 80% of operations automated.

15 investors

SelfWrap develops bioabsorbable wrap materials for vascular grafts that conform to individual patient anatomy and are designed to be absorbed by the body, unlike alloy-based alternatives. The company is developing the product for coronary and peripheral bypass grafting applications.

13 investors

AON3D builds industrial 3D printers that print with advanced thermoplastics at a lower cost than prior options, and develops new materials for additive manufacturing. Its customers worldwide use the technology across applications including automotive tooling, aircraft interiors, foundry molds, prosthetics, and surgical oncology guides.

11 investors

Atum Works develops scalable 3D lithography technology capable of printing metal structures with submicron resolution for advanced manufacturing applications.

9 investors

Voodoo Manufacturing operates a robotic 3D printing factory with over 250 3D printers to produce parts at scale for engineers, entrepreneurs, and companies. Based in Brooklyn, it serves customers across manufacturing and product development.

3 investors

Archform makes software that lets orthodontists design, create, and 3D print clear teeth aligners within their own offices. It targets orthodontic practices looking to compete with direct-to-consumer aligner companies and reduce the cost of alternatives like Invisalign.

2 investors

Dreamforge builds 3D modeling software designed for use with 3D printers. The company focuses on consumer and prosumer 3D printing tools.

1 investor

Layer By Layer operated an online marketplace where users could buy, sell, and share printable 3D designs intended for printing on personal 3D printers at home. The company was acquired by MakerBot in February 2014.

1 investor

MadeSolid develops functional 3D printing materials for 3D manufacturing of real products. The hardware company is staffed by chemists and engineers.

1 investor

Sinter operates a US-based plastics manufacturing pipeline using additive technologies, helping hardware teams move from 3D-printed prototypes to production parts on week-scale timelines.

1 investor

Topological develops physics-based foundation models for CAD optimization to help hardware engineering teams accelerate their design and optimization workflows. The platform generates efficient designs for complex mechanical problems by understanding physics, geometry, and manufacturability constraints.

1 investor