Defense-native additive manufacturing

Mission-grade hardware for the autonomy era.

High-strength polymer parts for defense, drone, and dual-use programs. US-built. Days, not weeks.

◢ Mantium-01
70 MPa
SLA · 100μm
▣ Live render
US-built
Domestic supply chain
ITAR-aware
San Francisco, CA
What we build

Parts that ship to programs.

4 capabilities · live
01
Active fulfillment

UAV & airframe components

Lightweight structural parts for unmanned systems. Complex geometries, printed as one piece.

Airframes · Lattices · Housings
02
Active fulfillment

Tactical hardware

Side rails, front mounts, holsters, accessory housings. 500 to 12,000+ unit runs.

Rails · Mounts · Holsters
03
In development

Suppressor housings

Polymer housings engineered for thermal load and structural rigidity. For DoD and LE programs.

Thermal · Structural · Pressure
04
Custom intake

Custom unmanned & dual-use

UGV, USV, and industrial components built to print spec. Prototype through production.

UGV · USV · Industrial
Active programs

Trusted by the operators building next gen deep tech.

2 of many
01
Tactical hardware

Side rails and front mounts at production scale.

Tier-1 tactical manufacturer · Under NDA

12,000+
Units
Active
Fulfillment
02
UAV airframes

Structural components for unmanned aerial systems.

Autonomy OEM · Under NDA

21 days
Lead time
Active
Design partner
Public partners
LOGO 01
LOGO 02
LOGO 03
LOGO 04
Materials platform

Engineered for mission environments.

A proprietary high-strength polymer compatible with industry-standard SLA workflows.

MTM-01 · Production grade
Rev 2026.05
01
Strength
70MPa
Tensile strength
2.6× stronger than aramid
02
Weight
62%
Lighter vs. steel
Without sacrificing integrity
03
Precision
<100μm
Feature resolution
Complex geometries, repeatable
04
Environment
Extreme
Temperature range
Survives mission environments
Material profile
Ballistic-rated · NIJ tested ASTM B117 salt fog testedMarine-gradeSLA-compatibleUV cure · No thermal
Full spec · MTM-01
FLEXURAL MODULUS2,400 MPa
ELONGATION AT BREAK6.2%
BALLISTIC RATINGNIJ tested
SALT FOG (ASTM B117)Pass
DENSITY1.08 g/cm³
CUREUV · No thermal
COMPATIBILITYIndustry-standard SLA
Designed for

Production-grade reliability in defense, autonomy, tactical, and marine applications.

Request materials data sheet
Why Mantium

The legacy stack wasn't built for this.

5 vectors compared
Vector
Legacy manufacturing
MANTIUM
01Lead time
Weeks to months
Hours to days
02Geometry
Constrained · tooled shapes
Any shape · lattices, undercuts
03Tooling
Heavy, slow, expensive
Low-tooling, deployable
04Supply chain
Offshore dependency
US-domestic, no foreign risk
05Materials
Commodity polymers
Proprietary · 70 MPa
▣ Legacy manufacturing = injection molding, CNC machining, commodity SLA
Engineer reviewed
24-hour response
US shipping only

Let's Partner.

Upload your file, tell us the application, and an engineer will review your part and respond within 24 hours.

Currently shipping to U.S. customers only