Prusa Research CORE One LvsBambu Lab H2D

⚠️ Ecosystem lock-in warning: Bambu and Prusa are not interchangeable ecosystems. Bambu's AMS system is proprietary — multicolor filaments, cloud features, and software are tightly coupled. Prusa's MMU3 is open source. Switching ecosystems later means replacing filament profiles, software presets, and accessories. Choose based on your long-term workflow, not just the current specs.

Prusa Research CORE One L

Buy/Wait:Buy

First-generation product — recently released, still early days

Best for: Engineers and professional makers who need large-format enclosed printing with active chamber heating — and want Prusa's open-source ethos and long-term support over a closed-ecosystem competitor.

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Bambu Lab H2D

Buy/Wait:Superseded

This printer is no longer sold new. It has been replaced by the Bambu Lab H2S.

Best for: Professional makers and small studios who need dual-material printing for engineering parts with soluble supports — or true dual-color without purge waste.

Full details →

	Prusa Research CORE One L	Bambu Lab H2D
Tier	Professional	Professional
Motion	CoreXY	CoreXY
Build Volume	300 × 300 × 330 mm	350 × 320 × 325 mm
Max Speed	500 mm/s	600 mm/s
Multicolor	❌ No	✅ 2 slots
Enclosure	✅	✅
Auto Calibration	✅	✅
Open Source	✅	❌
Upgrade Kit	—	—
Materials	PLA, PETG, ABS, ASA, TPU, PA, PA-CF, PC	PLA, PETG, ABS, ASA, TPU, PA, PA-CF, PC, PETG-CF
Released	Nov 7, 2025	Nov 15, 2024
Cycle length	—	~210 days
Cycle advice	Buy	Superseded
Deals advice	Caution	Clearance
Next model	—	—

Why buy each?

Prusa Research CORE One L

300×300×330 mm with active 60°C chamber heating

A large enclosed build volume with genuine active chamber heating — making the CORE One L reliable for ABS, ASA, PA, and PC across the full build plate.

Fully open source

All firmware, hardware designs, and slicing profiles are open source. Prusa backs the CORE One L with long-term parts availability and community support.

Critical Infrastructure Edition available

For institutional, government, and production customers, a dedicated Critical Infrastructure Edition is offered — Prusa's commitment to secure supply for professional users.

Bambu Lab H2D

True dual extrusion — no filament switching

The H2D prints two materials simultaneously from two nozzles. This eliminates purge tower waste and enables true dual-material prints including PVA/PLA soluble support combinations.

Large build volume

350×320×325 mm gives more print area than the standard 256 mm Bambu models — suited for larger professional parts.

High-temp capable

The H2D supports a wide range of engineering filaments including PA-CF, PETG-CF, and PC with its enclosed chamber.