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Prusa Prusa CORE One L 3D Printer - Critical Infrastructure Edition

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The Prusa CORE One L Critical Infrastructure Edition provides secure on-demand manufacturing for classified environments with physically removed Wi-Fi circuitry, ensuring verifiable air-gap isolation. The 300×300×330mm build volume enables full-scale production of mission-critical components using high-temperature engineering materials with traceable provenance. Transform procurement cycles from months to hours while eliminating external supply chain dependencies.

  • Ensure hardware-level air-gap for verifiable network isolation
  • Produce high-performance parts on-demand internally
  • Reduce procurement lead times from months to hours
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Price: $3,399.00
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Product No. M-M7J-EXNC

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Prusa CORE One L - Critical Infrastructure Edition

Secure On-Demand Production for Classified Operations

Engineered for defense, intelligence, and critical infrastructure sectors, this special edition of the Prusa CORE One L 3D printer brings secure additive manufacturing capabilities directly into your controlled facility. This enterprise-grade system ensures consistent production of essential components when operational security and supply chain control are paramount, enabling independence from external suppliers while protecting proprietary designs and sensitive applications. Maintain operational readiness with on-demand fabrication that keeps your critical operations autonomous and secure.

Key Features of the Prusa CORE One L 3D Printer - Critical Infrastructure Edition:

  • Large-format 3D printer for classified environment deployment
  • Physically removed Wi-Fi circuitry ensures verifiable hardware-level air-gapping
  • Delivers consistent output for quality-critical defense applications
  • Produces mission-essential parts with high-performance materials
  • Enables in-house production without third-party exposure
  • Hastens procurement lead times from months to hours
  • Manufactured in the EU and USA

Just need the standard Prusa Core One L 3D Printer? Click here.

A person is operating their Prusa CORE One L Critical Infrastructure 3D Printer in a factory facility.

Hardware-Enforced Network Isolation

Every version of this machine ships with a specially manufactured mainboard stripped of Wi-Fi hardware at the factory level. This physical enforcement of air-gap isolation delivers compliance-ready security that can be verified and documented for the strictest classified operational requirements.

  • Wi-Fi circuitry physically removed at factory level
  • Hardware-enforced isolation eliminates wireless attack vectors
  • Verifiable air-gap security for classified environment compliance

A secure USB drive is positioned next to the Prusa CORE One L touch screen to highlight offline capabilities crucial to secure printing operations.

Secure Offline Production Pipeline

The Critical Infrastructure Edition is engineered for zero-network dependency. It includes a certified, encrypted USB for data transfer, ships camera-free to prevent imaging risks, and provides volatility documentation. Firmware updates and print profiles load entirely offline through the USB interface.

  • Includes certified encrypted USB for secure file transfer
  • Ships without camera to prevent optical data capture
  • Provides volatility letters for compliance documentation requirements

A large printed part is on the 300 by 300 millimeter build plate of the Prusa CORE One L, highlighting its large build volume capabilities perfect for large parts, as well as batch 3D printing.

Accelerated Production at Scale

Print large functional parts or maximize batch output with Prusa CORE One L's 300×300×330mm build volume. Robust CoreXY kinematics combined with a high-flow nozzle and Input Shaper technology deliver rapid production speeds while maintaining the dimensional accuracy and durability demanded by production fixtures and functional assemblies.

  • Produces full-scale parts with 300×300×330mm build volume
  • Increases throughput with fewer part-harvesting cycles required
  • Delivers high-speed printing without sacrificing structural integrity

Image of end-use parts made out of flexible filament, such as TPU, that the Prusa CORE One L 3D printer is capable of 3D printing.

High-Performance Material Compatibility

From rigid engineering plastics to flexible elastomers, this system delivers. A precision-milled aluminum heatbed with convection fans rapidly heats the chamber to a stable 60°C, ensuring strong layer-to-layer adhesion printing of demanding materials like nylon, polycarbonate, and ASA. For specialized applications, a physical switch activates a dedicated flexible filament path that simplifies advanced material loading.

  • Prints demanding materials like nylon, polycarbonate, and ASA
  • Simplifies flexible filament loading with a dedicated bypass path
  • Heats chamber to stable 60°C, ensuring reliable part integrity

Image of multiple Prusa CORE One L 3D printers that were set up within minutes of being unpacked.

Rapid Deployment with Reliable, Autonomous Operation

Factory pre-calibration enables operational deployment within minutes of unpacking. The CORE One L autonomously manages chamber conditions and bed calibration via load cell sensors, supporting unattended overnight production runs with consistent, repeatable results. Engineered for 24/7 continuous production and long-term reliability, its design is informed by Prusa’s experience operating a 600-printer production farm.

  • Achieves production-ready status minutes after unpacking
  • Self-manages critical systems, sustaining maximum uptime
  • Supports 24/7 workhorse operation & longevity with reliable spare parts supply

GIF of 3D rendering desconstruction of the Prusa CORE One L 3D Printer

Verified Supply Chain Transparency

Prusa maintains complete manufacturing control with in-house PCB production in Prague and final assembly in EU and USA facilities, ensuring traceable component provenance. ISO 9001, 14001, and 45001 certifications verify audited quality control, environmental management, and workplace safety compliance. This end-to-end manufacturing control establishes supply chain integrity essential for stringent security protocols.

  • Manufactures critical electronics in-house at Prague facility
  • Assembles in certified EU and USA production facilities
  • Verified by ISO 9001, 14001, and 45001 certifications

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WHY BUY FROM MATTERHACKERS

MatterHackers is where digital fabrication technology meets passion. When you shop here, feel confident knowing that the vast selection of machines, materials, accessories, and unique bundles we've curated in our catalog are guaranteed top-quality products backed by our team of experts.

Exceptional customer service, fast & free shipping on orders over $35, a 30-day return policy, and more make us the reliable go-to for professionals, educators, and hobbyists. At MatterHackers, we're more than just a retailer; we're your trusted partner in production and innovation.


WHAT'S INCLUDED?

Prusa CORE One L Critical Infrastructure 3D Printer Prusa CORE One L Assembled 3D Printer
(with custom mainboard)
   - 0.4mm High-Flow Nozzle (installed)
USB Drive for Prusa CORE One L 3D Printer Critical Infrastructure Edition USB drive (with encryption)
Prusa CORE One L Satin Powder-Coated Sheet Satin Powder-coated Steel Sheet
Prusa Prusament PLA Black 3D Printer Filament Prusament PLA Prusa Galaxy Black (1kg)
Abrasive Resistant Nozzle for Prusa CORE One L 3D Printer 0.4mm Abrasive-Resistant Nozzle (in package)
Digital Prusa Academy for Prusa CORE One L Prusa Academy CORE One L course (digital)
3D Printing Handbook 3D Printing Handbook
Set of alcohol-saturated wipes and acupuncture needles Alcohol-saturated wipes, acupuncture needle

TECHNICAL SPECIFICATIONS

MEASUREMENTS
Build Volume 300mm × 300mm × 330mm
(11.8" × 11.8" × 12.99")
Filament Diameter 1.75 mm
Layer Height 0.05 - 0.30mm
Printer Dimensions
(W×D×H)
469mm × 521mm × 635mm
(18.5" × 20.5" × 25")
Printer Weight 21.9 kg (48.3 lb)
ELECTRONICS
Mainboard Custom 32-bit xBuddy electronics with STM32;
Without Wi-Fi slot and related circuitry
Stepper Drivers Trinamic 2130
Stepper Motors 1.8° Stepper motors
EXTRUDER
Extruder Nextruder, Direct Drive, E3D V6 compatible (with adapter)
Extruder Electronics Custom breakout board for connecting fans, thermistors
and other parts.
Filament Path Aluminum heatsink, all-metal hotend
Drive System Nextruder Planetary Gear System, 10:1 gearbox ratio
Cooling Fan High-performance turbine, 360° cooling system
Nozzle High-flow Prusa Nozzle brass CHT - 0.4 mm (installed)
Abrasive-Resistant 0.4mm nozzle in the box (included)
MAX OPERATING TEMP
Max Nozzle Temperature 290 °C (554 °F)
Max Heatbed Temperature 120 °C (248 °F)
Max Chamber Temperature 60 °C (140 °F)
CONTROLS
LCD Screen 3.5″ graphic 65k color screen
Touch Control Yes
Firmware Update
Interface
USB drive, Prusa Connect, Prusa Mobile App
Prusa Connect Support Yes
Prusa App for
iOS & Android Support
Yes
Quick-Swap
Nozzle System
Yes
Lighting Yes
ACCESSORIES
Internal Camera Not included
MMU3 Support Unofficial*

*It is possible to make the CORE One L MMU3 compatible with
the Critical Infrastructure Edition. However, additional parts will
need to be self-printed, and a working firmware version is
required. Technical support is unavailable for any issues that
may arise from this combination.
Advanced Filtration System Yes; Optional add-on
GPIO Board Compatibility Yes
Accelerometer Compatibility Yes; Built-in
CONNECTIVITY
Ethernet Connection Yes
Other Connectivity NFC receiver
SENSORS
Filament Sensor Yes (2 sensors)
Loadcell Sensor Yes
Thermistors 5 high-precision thermistors (genuine Semitec)
Fan Motors Monitoring Yes
Door Sensor Yes
PRINTING
Print Medium USB drive / LAN / internet via Prusa Connect or mobile Prusa App
Print Surface Magnetic heatbed with removable PEI spring steel sheets
First Layer Calibration Fully automatic (thanks to the Load Cell sensor)
Bed Calibration Automatic, Mesh Bed Leveling (only on print area)
Input Shaper Yes
Supported Materials PLA, PETG, Flex, PVA, PC, PP, CPE, PVB

When using the optional Advanced Filtration System:
ABS, ASA, HIPS, PA
Phase Stepping Yes

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