UltiMaker S6 Secure Line 3D Printer
Air-Gapped Industrial Additive Manufacturing for Defence, Aerospace and Mission-Critical Operations
The UltiMaker S6 Secure Line 3D Printer is a hardened, security-focused additive manufacturing system designed for trusted, on-demand production in defence, aerospace, naval and field operations.
Built on the proven UltiMaker S-series platform, the S6 Secure combines industrial-grade performance with air-gapped operation, tamper-resistant firmware, and offline-only workflows, ensuring maximum data security and operational control in high-risk environments.
Designed for deployment across land, sea and air, the S6 Secure transforms additive manufacturing into a mission-ready, decentralised production capability.
What is the UltiMaker S6 Secure Line 3D Printer?
The UltiMaker S6 Secure Line is a professional dual-extrusion 3D printer designed for secure, air-gapped manufacturing environments. It operates without Wi-Fi or cloud dependency and uses USB or secure LAN workflows only, ensuring full control over data, files and production processes.
It is engineered for defence and aerospace organisations that require secure, auditable and isolated digital manufacturing systems.
Mission-Critical Secure Manufacturing
The S6 Secure Line is designed to eliminate common digital security risks associated with connected manufacturing systems.
- Core Security Architecture
- Air-gapped operation (no Wi-Fi or wireless connectivity)
- USB-only or secure LAN file transfer
- Factory-flashed, tamper-resistant firmware
- Encrypted and auditable file handling
- No cloud access or external attack surfaces
- Hardware-sealed components for physical integrity
These features ensure full operational isolation, protecting against data interception, espionage and remote intrusion risks.
Built for Defence and Field Deployment
The UltiMaker S6 Secure is engineered for deployment in demanding environments, including:
- Military bases and forward operating locations
- Naval and maritime environments
- Aerospace and aviation maintenance units
- Mobile and field engineering units
Its compact and rugged design enables on-demand manufacturing of mission-critical parts directly in the field, reducing reliance on vulnerable supply chains.
Industrial Performance with Cheetah Motion Control
Despite its security-first design, the S6 Secure retains full industrial performance.
- UltiMaker Cheetah motion planner for high-speed precision
- Up to 500 mm/s print speed
- Acceleration up to 50,000 mm/s²
- Third-order motion control for smooth surface finish
- Corner blending for improved dimensional accuracy
This enables up to 4x productivity improvements compared to previous generation systems.
Technical Printing Capability
The S6 Secure supports a wide range of engineering and defence-grade materials.
Supported Materials
- PLA, Tough PLA, PETG, ABS
- Nylon, Nylon CF, PET CF
- PC (Polycarbonate)
- TPU 95A
- CPE and CPE+
- PVA and Breakaway support materials
- Flame-retardant and ASA materials (third-party approved)
Print System
- Dual extrusion with auto nozzle lifting
- Inductive probing and flood detection
- Dual gripper feeder with tension control
- Heated PEI build plate up to 120°C
- Build volume: 330 × 240 × 300 mm
Precision and Engineering Performance
The UltiMaker S6 Secure delivers high dimensional accuracy and repeatability.
- Accuracy: ±0.15 mm + ±0.15%
- Layer resolution: 60–400 microns
- Nozzle temperature up to 340°C (with CC+ cores)
- Extrusion flow up to 35 mm³/s
- Designed for complex geometries and functional parts
Fully Offline Secure Workflow
The S6 Secure is designed for completely controlled digital workflows.
- No cloud connectivity required
- Local file management only
- UltiMaker Cura print preparation (offline capable)
- Optional secure LAN integration
- Digital Factory compatibility for controlled environments
This ensures organisations maintain full sovereignty over manufacturing data and intellectual property.
Designed and Manufactured in the EU
The UltiMaker S6 Secure Line is manufactured in the Netherlands under strict European standards.
- Produced in Zaltbommel, EU manufacturing facility
- Electronics flashed at factory level
- Built to meet defence-grade compliance expectations
- Limited production batches for controlled deployment
- Reliability and Field Readiness
The S6 Secure is engineered for continuous, mission-critical operation.
- Operating sound below 50 dBA
- Stable performance in 15°C to 32°C environments
- Rugged, sealed construction for deployment resilience
- Designed for 24/7 operational use
Ideal Applications
- Defence manufacturing and field repair
- Aerospace maintenance and tooling
- Naval and maritime engineering
- Secure prototyping environments
- Government and critical infrastructure production
- Isolated industrial R&D facilities
Specifications Overview
Technology: Fused Deposition Modelling (FDM)
Build Volume: 330 × 240 × 300 mm
Extrusion: Dual extrusion system
Connectivity: Air-gapped USB / Secure LAN only
Layer Resolution: 60 – 400 microns
Nozzle Temperature: Up to 340°C
Build Plate: Heated PEI up to 120°C
Filament Diameter: 2.85 mm
Motion System: UltiMaker Cheetah high-speed planner
Operating System Support: Windows, macOS, Linux
Why Choose the UltiMaker S6 Secure Line
The UltiMaker S6 Secure Line delivers a rare combination of industrial 3D printing performance and defence-grade cybersecurity architecture.
It enables organisations to manufacture critical components on demand while maintaining complete control over data, systems and operational security.
Summary
The UltiMaker S6 Secure Line 3D Printer is a mission-ready, air-gapped additive manufacturing system designed for defence and aerospace environments. It delivers high-speed industrial performance while ensuring full data isolation, secure workflows and trusted EU manufacturing standards.





























