Technology

Built for the Battlefield: 3D-Printed Drones Move to the Front Lines - 3Dnatives

3 min read

From reconnaissance to strike missions, 3D-printed drones are moving from the factory floor to the front lines. Across the U.S. Army, Marine Corps and allied forces, additive manufacturing is letting soldiers build, repair and adapt UAVs exactly where and when they are needed. Here are some of the most compelling examples.

HANX: the first NDAA-compliant printed drone

Developed by a team within the U.S. Marine Corps, HANX is the first fully 3D-printed drone to comply with National Defense Authorization Act requirements. Designed with security in mind, all components are free from restricted or potentially compromised technologies, a key condition for deployment within U.S. military systems.

Built as a modular platform, HANX can be printed, modified and repaired directly by Marines, which lets it be adapted quickly for reconnaissance, training, logistics and low-cost strike operations. Developed in just 90 days across multiple iterations, it received interim flight authorization from Naval Air Systems Command — a milestone for additive manufacturing in the Marine Corps.

Widowmaker: soldiers designing their own munition release

Widowmaker is a 3D-printed device for dropping munitions from drones. The exact process is unspecified, but it was produced on commercial 3D printers, likely desktop FFF systems. Mounted on a PDW C-100 drone platform and tested by U.S. soldiers, it allows the launch of M67 fragmentation grenades, training ammunition and smoke grenades with greater precision and speed than before.

The notable part is who built it. Widowmaker was designed entirely in-house by soldiers using CAD software and 3D printers, with no prior specialised experience, and they produced several prototypes for testing within a few months.

Capstone: printing where the supply chain is longest

In 2025, Lightning Labs, part of the U.S. Army's 25th Infantry Division, 3D printed the "Capstone" drone, a first-person-view aircraft equipped with a camera for pilot-perspective navigation. To add lethal capability, the division's Explosive Ordnance Disposal team developed a custom detonation system for the platform.

The 25th Infantry is based in Hawaii, which is precisely why on-demand manufacturing matters there: additive manufacturing answers the logistical problem posed by vast geographical distance.

The British Army printing hulls in the field

The British Army recently used FFF 3D printers — specifically machines from Bambu Lab — to produce drone hulls directly in the field. Soldiers from the 3rd Battalion, The Rifles set up desktop machines under a camouflaged awning powered by a small generator, and began printing on site.

Five attack drones were manufactured and launched near Nanyuki, Kenya, with each hull taking around 3.5 hours to print. These were first-person-view drones for simulated strike missions. It marks a first for the British Army, which is now exploring broader adoption of deployable 3D printing for field-based drone production.

SPARTA: $1,000 and printable overnight

Developed by the U.S. Army Research Laboratory under the Combat Capabilities Development Command, SPARTA — Soldier Portable Autonomous Reconnaissance Transitioning Aircraft — is a low-cost, modular 3D-printed drone built from the ground up with input from frontline troops.

Weighing around two pounds and costing just over $1,000 to produce, it offers a range of over 30 km and up to 60 minutes of flight time. Its airframe can be printed overnight and assembled without specialised tools. SPARTA was field-tested during the Danger Gauntlet exercise at Fort Riley alongside BISON, a mobile 3D printing makerspace for on-site drone manufacturing and repair. ARL is now working with industry partners to move the platform toward scalable production.