🖨 3D Printer Radar

Bambu Lab A1vsPrusa Research CORE One L

⚠️ 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.
Bambu Lab A1
Buy/Wait:Wait

Overdue for a refresh — no successor announced yet. Prices should be at their lowest

Best for: Makers who want large prints and multicolor capability without an enclosure — ideal for PLA, PETG, and flexible materials.

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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 A1Prusa Research CORE One L
TierProsumerProfessional
MotionBedSlingerCoreXY
Build Volume256 × 256 × 256 mm300 × 300 × 330 mm
Max Speed500 mm/s500 mm/s
Multicolor✅ 4 slots❌ No
Enclosure
Auto Calibration
Open Source
Upgrade Kit
ReleasedOct 19, 2023Nov 7, 2025
Cycle length~365 days
Cycle adviceWaitBuy
Deals adviceBuyCaution
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Materials

Bambu Lab A1 only
Both
PLAEasy to print, no enclosure needed — everyday parts
PETGTougher, slightly flexible, moisture-resistant
TPUFlexible rubber-like — phone cases, gaskets, wheels
ABSHeat and impact resistant — needs enclosure
Prusa Research CORE One L only
ASAUV-stable ABS alternative — outdoor parts, needs enclosure
PANylon — strong and wear-resistant, needs dry storage
PA-CFCarbon-fibre nylon — very stiff, abrasive to standard nozzles
PCPolycarbonate — extremely tough, challenging to print

Why buy each?

Bambu Lab A1

Full AMS multicolor

Unlike the A1 Mini's AMS Lite, the A1 Combo includes the full AMS with support for a wider range of filament types.

256×256×256 mm build volume

The largest build volume available in a Bambu bed-slinger — great for terrain, large cosplay props, and functional parts.

Bambu ecosystem integration

Works with Bambu Studio, Bambu Handy app, and the full Bambu filament ecosystem including multi-material profiles.

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.