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E3D ObXidian™ High Flow HotEnd for Bambu Lab A1 / A1 Mini
The E3D ObXidian™ High Flow HotEnd is a powerful premium upgrade developed in close collaboration between E3D and Bambu Lab. It combines wear-resistant materials, optimized flow geometry, and an easy installation to deliver consistent, high-quality results even at high print speeds. With a flow rate up to 70% higher than the standard HotEnd, it enables faster printing, stronger parts, and smoother surfaces – without compromising precision or reliability.
Higher material flow for faster prints
Thanks to the newly designed internal geometry, the ObXidian™ HotEnd increases the volumetric flow rate by up to 70%.
This means: more consistent extrusion, more stable printing temperatures, and higher print speeds without losing detail.
Ideal for users who want to fully utilize the performance of their Bambu Lab A1 or A1 Mini – especially when using High-Speed profiles or large-volume models.
Extremely durable thanks to E3DLC™ coating
The ObXidian™ nozzle is coated with the exclusive E3DLC™ coating – a diamond-like, ultra-hard carbon layer that makes it many times more resistant than conventional steel or brass nozzles.
Thus, it withstands even abrasive filaments like carbon-, glass fiber-, or metal-filled materials significantly longer.
While conventional nozzles wear out quickly with such filaments, the ObXidian™ remains permanently precise and reliable.
Cleaner prints, less maintenance
The special non-stick coating of the nozzle reduces the adhesion of melted plastic.
This ensures clean print surfaces, prevents filament buildup on the nozzle tip, and minimizes the risk of print errors or collisions.
Less residue means less cleaning effort – and more time for what matters: printing instead of waiting.
Simple, tool-free installation
As with the original HotEnd from Bambu Lab, the replacement takes seconds:
Simply pull off the old HotEnd, insert the new ObXidian™ High Flow – done.
Thanks to the magnetic quick coupling, no calibrations, adjustments, or additional tools are needed.
Official Collaboration
The ObXidian™ High Flow HotEnd was developed together with Bambu Lab and is fully compatible with the Bambu Lab A1 and A1 Mini.
It is not compatible with the Bambu Lab H2 series.
Available in sizes 0.4 mm and 0.6 mm, it perfectly covers both fine detail prints and fast volume projects.
Technical Data
| Feature | Description |
|---|---|
| Compatibility | Bambu Lab A1, Bambu Lab A1 Mini |
| Not compatible with | Bambu Lab H2 series |
| Nozzle diameter | 0.4 mm or 0.6 mm |
| Material / coating | Tool steel with E3DLC™ coating |
| Flow rate | Up to 70% higher than standard HotEnd |
| Maximum temperature | 320 °C |
| Assembly | Magnetic, tool-free, drop-in design |
| Features | Non-stick surface against filament buildup |
| Maintenance | Minimal – durable, wear-resistant design |
Conclusion
The E3D ObXidian™ High Flow HotEnd is the perfect choice for anyone who wants to print faster, cleaner, and more reliably.
With its increased flow rate, the extremely hard E3DLC™ coating, and easy installation, it offers a noticeable performance upgrade for the Bambu Lab A1 and A1 Mini – ideal for demanding makers, professional users, and high-speed printers alike.