Prusa Research introduces the new 3D printer CORE One L, which brings a significant expansion of capabilities while maintaining a compact size. CORE One L offers double the print volume of 300 × 300 × 330 mm, which means more space for large models or a greater number of smaller parts, with only a 10% increase in external dimensions compared to the original CORE One. The weight of the printer has remained almost the same thanks to an innovative design featuring a steel exoskeleton and lightweight aluminum panels.
The main innovations of CORE One L include a new heated bed made from a solid aluminum block with an integrated dual heating circuit, which ensures even heat distribution with a temperature deviation of less than 2 °C across 99% of the surface, thanks to active convection heating.
Two fans located beneath the bed blow warm air into the print chamber, which can be heated up to 60 °C, a key feature for hassle-free printing with demanding materials such as ASA, ABS, Nylon, or Polycarbonate. The printer also includes high-performance Bondtech nozzles (including one resistant to abrasive materials) and a 1080p camera with night mode for remote print monitoring.
Comparison of Prusa CORE One L with Prusa CORE One and Prusa XL
| Parameter | Prusa CORE One | Prusa CORE One L | Prusa XL |
|---|---|---|---|
| Print Volume (mm) | 240 × 240 × 240 | 300 × 300 × 330 | 360 × 360 × 360 |
| Printer Size (approx.) | Compact | 10% larger than CORE One | Significantly larger |
| Weight | Approximately 20 kg | Approximately 20 kg (lighter due to aluminum) | Higher |
| Chamber Heating | Heated bed | Convection heated bed + active air circulation | Heated chamber with ventilation |
| Maximum Chamber Temperature | Up to 55 °C | Up to 60 °C | Up to 60 °C |
| Nozzles | Standard and Bondtech | Bondtech (standard + abrasion-resistant) | Multiple heads up to 5 |
| Camera and Monitoring | Optional camera | Built-in 1080p camera with night mode | Optional |
| Multi-material Support | Basic | Ready for MMU3 (up to 5 filaments) | Integrated MMU and multiple extruders |
| Price (approx.) | Lower than CORE One L | Approximately 39,900 CZK | Higher |
CORE One L may appeal to those who need a larger print volume, robust construction, and flawless print quality. Compared to the XL, CORE One L is smaller, lighter, and still offers enough space for most large projects at a lower price and simpler maintenance.
Another Innovation: OpenPrintTag
Prusa Research is simultaneously introducing an innovation in the form of OpenPrintTag, a new open-source standard for smart NFC tags for 3D printing spools. This standard is manufacturer-independent and allows any printer to read and write information about the filament directly on the spool, such as material type, color, remaining quantity, and recommended print settings. OpenPrintTag is fully open and ready for collaboration with other filament brands (already joined by 3D Fuel, Numakers, Fillamentum, and others). The CORE One L includes compatible technology that allows for automatic material identification upon spool insertion, which significantly simplifies print setup and eliminates errors caused by incorrectly entered parameters.
This move opens the way for greater interoperability between printers and materials, greatly simplifying the work for both professionals and hobby users, and contributing to the expansion of the use of smart, transferable print data.
Prusa CORE One L is an interesting choice due to its design, large print volume, precise temperature control, and support for new technologies like OpenPrintTag. Compared to the original CORE One, it offers a significant expansion of features and volume, while compared to the XL, it is more compact and easier to operate and maintain. The new standard for smart spools, OpenPrintTag, will make working with materials easier and support greater openness in the filament market.
Footnote: Prusa has a Black Friday and Prusa XL is currently available from 44,490 CZK.
The price of Core One L is 39,990 CZK, and the first shipments of ordered printers are scheduled for November 7, 2025.
https://www.prusa3d.com/cs/produkt/prusa-core-one-l-2/
Blog post about Core One L https://blog.prusa3d.com/think-big-print-big-introducing-the-prusa-core-one-l_124294/
Blog post about OpenPrintTag https://blog.prusa3d.com/cs/openprinttag-je-tady-uvadime-novy-open-source-standard-chytrych-civek-i-s-novou-prepracovanou-spulkou_123878/
