Prusa CORE One L+ Critical Infrastructure Edition
Specifications
- Build volume: 300 × 300 × 330 mm (11.8 x 11.8 x 13 in)
- Max nozzle temp: 290 °C / 554 °F
(400°C with optional HT Hotend) - Max heated temp: 120 °C / 248 °F
- Max chamber temp: 60 °C / 140 °F
- Multi-material support: Optional, INDX up to 8 materials
- HEPA filtration: Optional add on
- 1kg of PRUSA PLA included
- Includes 1 year Warranty
- Extended warranty options available
Description
In advanced manufacturing, aerospace, defense, and critical infrastructure, 3D printing has become an indispensable tool for producing custom tooling, rapid-response spare parts, and end-use components. However, this integration introduces significant security vulnerabilities when network-dependent printers are used, creating a critical attack vector for proprietary or classified CAD files.
The Prusa CORE One L Critical Infrastructure Edition is the definitive solution for these high-security applications. It provides the same exceptional performance as the standard CORE One L, including the massive 300x300x330 mm build volume and the state-of-the-art AC convection heatbed for flawless, warp-free printing of advanced materials.
Its security is enforced at the hardware level. This edition features a custom-manufactured mainboard where all Wi-Fi connectors and related circuitry have been physically removed. The printer ships with no camera, and the bundle is completed with a certified, encrypted USB drive. We also provide letters of volatility to meet the most stringent security protocols. This machine delivers the best-in-class performance of the CORE One L, with the physical assurance that your data remains 100% offline and secure.
What’s new with CORE One L+

Easier to use
Latest firmware improvements simplify everyday tasks and reduce the attention the printer needs.

Smoother‑looking surfaces
New GT1.5 belts make unwanted repeating patterns finer and harder to notice, especially on large, smooth surfaces where even subtle artifacts can stand out.

Cleaner print Starts
The integrated nozzle wiper cleans filament from the nozzle before printing, helping keep loose strands and small blobs away from the print surface.
What sets the CORE One L+ apart?
Print Huge Objects – From Edge to Edge
Anyone can take a heatbed and make it larger. Doing it properly is a completely different challenge. Large 3D-printed objects tend to warp, and when heat distribution is inconsistent, their corners lift off the bed. The CORE One L features a massive, heavy, all-aluminum heatbed with a dual-loop heating system and perfect heat distribution. No matter how big you print, the results are perfect.
Perfect Environment for Any Material
The powerful heatbed with convection-style heating brings the chamber to 60 °C, an optimal, stable environment for advanced materials. Result: stronger layer bonding, no warping, tougher prints.
Add the HT Hotend Upgrade to print ultra-tough engineering polymers, like carbon-fiber reinforced PEKK‑CF and PPS‑CF, or high‑performance PPSU and PPA‑CF strong enough to replace metal parts.
All‑Aluminum AC Heatbed with only <2°C Variance Across 99% of the Surface
The all-new, all-aluminum heatbed with dual-loop heating provides beautifully uniform heat distribution, killing warping and cold corners. The printer automatically distinguishes between 110V and 230V grids and intelligently configures the heatbed for consistent performance in any part of the world. Everything is protected by robust multi-layer security systems.

Active Chamber with Smart Temperature Management
Two fans on the underside of the heatbed create a convection effect – they bring cold air in and blast it across the massive heated surface to quickly bring the chamber all the way up to 60 °C.
Fully Enclosed CoreXY Architecture
The advanced CoreXY motion system moves the lightweight printing head instead of the heavy base, allowing for much higher speeds without losing quality. Input Shaper firmware compensates vibration at high speeds, with travel speeds reaching 500 mm/s.
Robust Steel Exoskeleton
The robust exoskeleton from the CORE One+ has been reworked: it’s still incredibly sturdy, but thanks to aluminum panels, the printer is actually lighter than the CORE One+ even though it offers two times the print volume.
Compact Footprint, Massive Print Volume
Compared to the CORE One+, the CORE One L has only a slightly larger footprint; however, its print volume is twice as much. A massive 300×300×330mm (30 liters) is waiting for your projects.

Automatic Chamber Vent Control
When you select a low-temperature material (e.g., PLA or PETG), the printer will automatically open the top vent using a lever on the extruder. For high-temperature materials, the vent is automatically closed.

Ready for HVAC
For a truly safe workspace, you can install an optional Advanced Filtration Module with HEPA and Active Carbon filters, but you can also take the CORE One L and hook it up to an HVAC system.
What sets the CORE One L+ INDX apart
High‑Speed Nozzle Swapping in Just 12 Seconds
Single-nozzle multi-material systems spend roughly 42 seconds on every single filament swap. They must retract, cut, feed, and flush the hotend, wasting time and plastic on every layer. The INDX toolchanger is much more efficient – requires merely 12s per change.

Cold in the Dock, Hot in Seconds
The moving head carries an induction coil, the same principle as an induction hob. It grips a nozzle, brings the steel to printing temperature in seconds, and lets it cool again the moment it parks. Cold nozzles cannot ooze, and that is what keeps eight materials from contaminating each other.

Active Head, Passive Tool Changers
Each parked tool is a nozzle and a dock – no electronics. All the intelligence lives in the head that collects them, so a fifth or eighth material costs a nozzle rather than a whole print head.

Advanced Nozzle Wiper
The advanced nozzle wiper for induction nozzles helps remove any residue left on the nozzle before printing resumes, improving cleanliness during swaps and reducing the risk of stray blobs affecting print quality. The nozzle wiper is located on a purge collector, where the nozzle deposits the micro-blob of plastic, smaller than a grain of rice.
Self‑adjusting grip for different materials
Soft materials need a gentler grip than rigid, fiber-filled ones. The INDX features a unique mechanism that adjusts the drive gear tension automatically, so you can move from TPU to rigid engineering filaments without stopping to retune the extruder.

Always Ready to Print
Load eight filaments, install different nozzle sizes from 0.25 to 0.8. When you start a print, everything’s already ready and loaded. Just pick the right tool. If you like to use different filaments and nozzles, and hate constantly swapping everything around, the INDX is the solution for you.

Automatic Tool Offset Calibration
The state-of-the-art offset calibration system is permanently mounted outside the print area.
20x Faster than calibration pin: It takes just 15 seconds per toolhead.
Improved Repeatability: Streamlines setup while delivering highly consistent results.
Upgrade your CORE One to an industrial printer

HT Hotend Upgrade
Upgrade your 3D printer with this easy-swappable 400°C HT Hotend. You will unlock the ability to print high-temp materials like PEKK-CF, PPS-CF, PPSU, and more. Plus, get improved strength and increased layer adhesion with advanced materials like ASA or PA.
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