The Bambu Lab H2S is a large-format, single-nozzle CoreXY 3D printer designed for high-speed production, engineering materials, functional prototypes, and large-format parts. With a 340 × 320 × 340 mm build volume, 350°C hotend, actively heated 65°C chamber, and toolhead speeds up to 1,000 mm/s, the H2S combines the large build capacity and advanced thermal management needed for demanding 3D printing applications with the automated workflow Bambu Lab is known for.
Note: Additional shipping rates will apply to orders going to Alaska, Hawaii, Guam & Puerto Rico.
The H2S is built around a rigid CoreXY motion system and Bambu Lab's DynaSense servo extruder. The PMSM servo-driven extrusion system continuously monitors resistance and position at up to 20,000 times per second, providing closed-loop control of extrusion and helping detect conditions such as filament grinding and clogs. The extruder can deliver up to 10 kg of extrusion force, supporting high-flow printing and demanding engineering materials.
Large 340 × 320 × 340 mm Build Volume
The H2S provides a 340 × 320 × 340 mm build volume, giving users significantly more room for large functional components, prototypes, tooling, enclosures, jigs, fixtures, and production parts. The large build area can also reduce the need to divide larger models into multiple pieces, simplifying post-processing and assembly. Bambu Lab positions the H2S as its largest single-nozzle printing platform.
Despite its large build volume, the H2S maintains the high-speed motion capabilities associated with Bambu Lab's newer H-Series printers. The toolhead can reach speeds of up to 1,000 mm/s with acceleration up to 20,000 mm/s². Bambu Lab states that the combination of its servo extrusion system and high-speed motion platform can reduce print times by up to 30% under applicable conditions.
350°C Hotend and 65°C Active Heated Chamber
The H2S is engineered for materials that require substantially more thermal control than standard PLA printing. Its all-metal hotend reaches temperatures up to 350°C, while the actively heated chamber can reach 65°C. The heated chamber helps maintain a more stable printing environment for materials that are sensitive to temperature changes and prone to warping or layer-adhesion problems.
The H2S supports a broad range of materials, including PLA, PETG, TPU, PVA, BVOH, ABS, ASA, PC, PA, PET, PPS, and a range of carbon-fiber- and glass-fiber-reinforced polymers. This makes the H2S suitable for everything from general-purpose prototyping to functional components manufactured from engineering-grade materials.
The printer also uses closed-loop control for its cooling and chamber airflow systems. Its three-mode airflow design can maintain a warmer enclosed environment for engineering materials while providing controlled ventilation for lower-temperature materials such as PLA and PETG. The integrated filtration system uses a G3 pre-filter, H12 HEPA filter, and granulated coconut-shell activated carbon.
Advanced Extrusion and Motion Control
The H2S combines several feedback systems to maintain consistent extrusion and motion at high speeds. High-resolution nozzle sensors monitor extrusion conditions while the servo extruder provides real-time feedback. The system can automatically calibrate pressure advance parameters for individual filaments and compensate for mechanical changes over time.
For users who require greater dimensional consistency, the H2S supports Bambu Lab's Vision Encoder system. With the optional Vision Encoder calibration plate, Bambu Lab specifies motion accuracy below 50 μm and uses optical measurement to compensate for mechanical drift during calibration. The H2S also incorporates Auto Hole and Contour Compensation to improve dimensional accuracy on fit-critical features.
Intelligent Monitoring with 23 Sensors and 3 Cameras
The Bambu Lab H2S incorporates an extensive sensor and camera system designed to monitor the printer during operation. The system includes 23 sensors and three cameras that monitor printing, filament movement, temperature, airflow, and other operating conditions. AI-powered detection can identify problems such as filament clumping, spaghetti failures, and purge chute blockages.
The H2S includes a 1920 × 1080 Live View camera and a 1600 × 1200 toolhead camera. Filament runout and filament tangle detection are also supported, while filament odometry is available when using a compatible AMS system. Power-loss recovery provides an additional layer of protection for longer print jobs.
Multi-Color and Multi-Material Printing
Although the H2S uses a single-nozzle toolhead, it can be paired with Bambu Lab's automatic material systems for multi-color and multi-material printing. The H2S supports up to four AMS 2 Pro units and eight AMS HT units, providing up to 24 filament slots and up to 24-color printing when the supported AMS configuration is used.
The AMS 2 Pro also adds automatic filament identification, sealed storage, and filament drying capabilities. For engineering materials requiring higher drying temperatures, Bambu Lab's AMS HT provides a dedicated option for high-temperature filament management.
Designed for Engineering and Functional Parts
With its combination of a large build volume, 350°C hotend, heated chamber, hardened extrusion components, high extrusion force, and advanced monitoring, the H2S is well suited for applications beyond basic hobby printing.
Typical applications include:
- Functional prototypes
- Engineering prototypes
- Jigs and fixtures
- Manufacturing aids
- End-use components
- Large mechanical parts
- Robotics components
- Automotive and motorsport components
- Enclosures and housings
- Production tooling
- Educational and laboratory projects
- Small-batch manufacturing
The H2S can print materials ranging from PLA and PETG to higher-temperature polymers such as PC, PA, PPA and PPS, including compatible carbon-fiber- and glass-fiber-reinforced materials. Material selection should always be based on the specific filament manufacturer's recommended printing conditions and the requirements of the application.
Optional Laser and Digital Cutting Capabilities
The standard H2S is a 3D printer, but Bambu Lab designed the platform with additional manufacturing capabilities in mind. The H2S can be upgraded with an optional 10W 455nm laser and cutting system. Bambu Lab also offers a cutting module and pen module for digital cutting, drawing, and writing applications.
The standard non-laser H2S can be upgraded to the laser configuration using the appropriate upgrade kit. Bambu Lab specifies that the upgraded machine provides the same functionality and processing performance as the factory laser version, with the upgrade using an external air pump.
Bambu Lab H2S for Professional and Production Workflows
The H2S brings together large-format printing, high-temperature material capability, fast CoreXY motion, closed-loop extrusion control, active chamber heating, AI-assisted monitoring, and optional automated material handling in a single enclosed platform.
For users who need more build volume and material capability than a typical desktop 3D printer while still wanting an automated, streamlined workflow, the Bambu Lab H2S provides a versatile platform for prototyping, engineering, manufacturing support, and small-scale production.
| General | |
|---|---|
| Printing Technology | Fused Deposition Modeling |
| Build Volume (W×D×H) | 340 × 320 × 340 mm³ |
| Chassis | Aluminum, Steel, Plastic, Glass |
| Laser Safety Windows | Equipped on Laser Edition (H2S upgradeable via Laser Kit) |
| Air Assist Pump | Equipped on Laser Edition (H2S upgradeable via Laser Kit) |
| Physical | |
| Dimensions | 492 × 514 × 626 mm³ |
| Net Weight | H2S: 30 kg | H2S Laser Edition: 30.5 kg |
| Toolhead | |
| Hotend | All Metal |
| Extruder Gear | Hardened Steel |
| Nozzle | Hardened Steel |
| Max Nozzle Temperature | 350 °C |
| Included Nozzle Diameter | 0.4 mm |
| Supported Nozzle Diameters | 0.2 / 0.4 / 0.6 / 0.8 mm |
| Filament Cutter | Built-in |
| Filament Diameter | 1.75 mm |
| Extruder Motor | Bambu Lab High-precision Permanent Magnet Synchronous Motor |
| Heatbed & Build Plate | |
| Build Plate Type | Textured PEI Plate, Smooth PEI Plate |
| Max Heatbed Temperature | 120 °C |
| Speed | |
| Max Speed of Toolhead | 1000 mm/s |
| Max Acceleration | 20,000 mm/s² |
| Max Flow (Standard Hotend) | 40 mm³/s |
| Max Flow (High Flow Hotend) | 65 mm³/s |
| Chamber & Filtration | |
| Active Chamber Heating | Supported |
| Max Chamber Temperature | 65 °C |
| Pre-filter Grade | G3 |
| HEPA Filter | H12 |
| Activated Carbon Filter | Granulated Coconut Shell |
| VOC Filtration | Superior |
| Particulate Matter Filtration | Supported |
| Cooling | |
| Part Cooling Fan | Closed Loop Control |
| Hotend Cooling Fan | Closed Loop Control |
| Main Control Board Fan | Closed Loop Control |
| Chamber Exhaust Fan | Closed Loop Control |
| Chamber Circulation Fan | Closed Loop Control |
| Auxiliary Part Cooling Fan | Closed Loop Control |
| Filament | |
| Supported Materials | PLA, PETG, TPU, PVA, BVOH, ABS, ASA, PC, PA, PET, PPS; Carbon/Glass Fiber Reinforced PLA, PETG, PA, PET, PC, ABS, ASA, PPA, PPS |
| Sensors | |
| Live View Camera | Built-in, 1920 × 1080 |
| Toolhead Camera | Built-in, 1600 × 1200 |
| BirdsEye Camera | Built-in, 3264 × 2448 (Laser Edition) |
| Door Sensor | Supported |
| Filament Runout Sensor | Supported |
| Filament Tangle Sensor | Supported |
| Filament Odometry | Supported with AMS |
| Power Loss Recovery | Supported |
| Electrical | |
| Voltage | 100–120 VAC / 200–240 VAC, 50/60 Hz |
| Max Power | 2050 W @ 220 V / 1170 W @ 110 V |
| Working Temperature | 10 °C – 30 °C |
| Electronics | |
| Touchscreen | 5-inch 720 × 1280 |
| Storage | 8 GB EMMC + USB Port |
| Control Interface | Touchscreen, Mobile App, PC App |
| Neural Processing Unit | 2 TOPS |
| Software | |
| Slicer | Bambu Studio (supports 3rd-party slicers with G-code export) |
| OS Compatibility | MacOS, Windows, Linux |
| Connectivity | |
| Wi-Fi Frequency | 2.4 GHz & 5 GHz (various bands) |
| Wi-Fi Transmitter Power | 2.4 GHz: <23 dBm; 5 GHz: <30 dBm (region dependent) |
| Wi-Fi Protocol | IEEE 802.11 a/b/g/n |
| 10W Laser Module | |
| Laser Type | Semiconductor |
| Wavelengths | 455 nm (Blue), 850 nm (IR) |
| Power | 10 W ± 1 W |
| Laser Spot | 0.03 × 0.14 mm² |
| Max Engraving Speed | 400 mm/s |
| Max Cutting Thickness | 5 mm (Basswood Plywood) |
| Laser Safety Class | Class 4 (Module), Overall Class 1 |
| Engraving Area | H2D: 310 × 270 mm² | H2S: 310 × 260 mm² |
| XY Positioning Method | Visual Positioning |
| XY Accuracy | < 0.3 mm |
| Z Height Measuring | Micro Lidar ±0.1 mm |
| Flame/Temp Detection | Supported |
| Door Sensor | Supported |
| Laser Installation Detection | Supported |
| Safety Key | Included |
| Air Pump | Built-in, 30 kPa, 30 L/min |
| Ventilation Pipe Adapter | 100 mm OD |
| Supported Materials | Wood, rubber, metal sheet, leather, dark acrylic, stone, etc. |
| Cutting Module | |
| Cutting Area | H2D: 300 × 285 mm² | H2S: 297.5 × 300 mm² |
| Drawing Area | 300 × 255 mm² |
| Pen Diameter | 10.5–12.5 mm |
| Cutting Mats | LightGrip & StrongGrip |
| Blade Type | 45° × 0.35 mm |
| Blade Pressure | 50 gf – 600 gf |
| Max Cutting Thickness | 0.5 mm |
| Blade/Pen Recognition | Supported |
| Mat Detection | Supported |
| Image Types | Bitmap & Vector |
| Supported Materials | Paper, PVC, vinyl, leather, etc. |