University of Maine Launches 3Dirigo X, a 30-Foot 3D Printed Boat

A Bigger Boat Built From Scratch

The University of Maine Advanced Structures and Composites Center has launched 3Dirigo X, a 30-foot, fully 3D printed vessel designed to handle open-water conditions and reach speeds approaching 40 knots. The launch pushes the boundaries of what large-scale additive manufacturing can do for maritime applications.

The new boat builds on the original 3Dirigo, unveiled in 2019, which set three Guinness World Records by proving a vessel of its size could be additively manufactured at all. 3Dirigo X takes that proof of concept further. Habib Dagher, executive director of the ASCC, said the center can now model and design vessels from start to finish using digital manufacturing, with structures built to withstand extreme ocean environments.

Built With Defense Applications in Mind

The vessel was developed under the federally funded Accelerated Rapid Prototyping initiative, which links UMaine to defense research organizations, national laboratories, and industry partners. Officials see uses reaching well beyond commercial boatbuilding: unmanned surface vessels, patrol craft, logistics platforms, sensor ships, and modular replacement parts that can be redesigned quickly when mission requirements shift.

Keith DeVries of the Office of the Secretary of Defense Manufacturing Technology Program emphasized the iterative advantage. Digital manufacturing produces a digital twin alongside the physical part. That twin tightens the design cycle and improves test modeling, so each successive build is stronger and better informed than the last.

A Workforce Pipeline Alongside the Research

The program has also functioned as a training pipeline. UMaine's ASCC has employed over 3,000 student interns, giving them practical exposure to advanced manufacturing, digital design, materials science, and AI-assisted engineering. UMaine President Joan Ferrini-Mundy said the experience prepares students for the engineering and manufacturing roles the state and nation will need going forward.

Maine manufacturers routinely face high production costs, long lead times, and skilled-labor shortages. Dannel Malloy, chancellor of the University of Maine System, tied the center's work directly to those economic pressures, framing it as a way to build workforce capacity while also supporting national defense priorities.

Competing Approaches in Maritime 3D Printing

UMaine is not alone in applying additive manufacturing to large vessels. Blue Ops and HADDY are integrating robotic, AI-guided 3D printing into military unmanned surface vessel production, targeting a doubling of manufacturing output. Hawaii-based Voltage Vessels has submitted a six-meter 3D printed hull made from basalt-fiber composite for U.S. maritime defense evaluation, arguing that regional digital manufacturing could replace the traditional model of building boats in fixed shipyards and shipping them to fleet locations.

The broader trend is clear: additive manufacturing is being used to decentralize where and how naval vessels get made, while compressing the timeline between design and deployment. For commercial and military customers alike, the appeal is the same: cut the tooling bottleneck, speed up design changes, and scale production without waiting on a single specialized mold.