Advanced 3D Printing

The H2D and H2S are Bambu Lab's flagship machines — the H-series — built for professionals, engineers, and serious makers who need large build volumes, high-temperature capability, and the stability to print demanding engineering materials. Both have a 350°C nozzle and a 65°C actively heated chamber. The decision between them comes down to one fundamental question: do you need two nozzles, or do you need the absolute largest single-nozzle build volume? This guide makes that choice clear. What the H-Series Has in Common Both machines share the capabilities that define the tier: a 350°C hotend (versus 300°C on the rest of the Bambu range), a 65°C actively heated chamber, a hardened steel nozzle for abrasive carbon- and glass-fibre filaments, servo-driven extrusion with real-time monitoring, and support for the full range of engineering materials — PA, PC, PPA-CF, PPS, and fibre-reinforced composites. Both reach 1000 mm/s. Both are large-format machines built around the same chassis. If your work involves engineering-grade filaments, either machine is capable; the difference is in architecture. Side by Side Bambu Lab H2S Bambu Lab H2D Nozzles Single Dual independent Build volume (single nozzle) 340×320×340 mm 325×320×325 mm Build volume (dual nozzle) — 300×320×325 mm Max nozzle temp 350°C 350°C Chamber Active 65°C Active 65°C Max speed 1000 mm/s 1000 mm/s Laser / cutting modules Optional (10W) Optional (10W / 40W) Best for Largest single-piece prints Dual-material, multi-process manufacturing The H2S: The Largest Build Volume Bambu Makes The H2S has a single 350°C nozzle and the biggest build volume in the entire Bambu range — 340×320×340 mm. Because it has only one nozzle, the full bed is always available; there is no shared-area compromise. This makes it the right machine when your priority is printing large parts in one piece: cosplay armour, fixtures, jigs, enclosures, RC fuselages, and multi-part assemblies that would otherwise need splitting and joining. It still handles multi-colour printing through the AMS 2 Pro. For most large-format engineering work, the H2S delivers the capability at a lower price than the H2D. The H2D: Dual Nozzles and Multi-Process Manufacturing The H2D is the flagship. Its two independent 350°C nozzles enable true dual-material printing — two different materials, or two colours, processed simultaneously without the purge waste of single-nozzle multi-colour systems. This is ideal for parts combining rigid and flexible materials, or for soluble support interfaces on complex engineering geometry. The dual-nozzle build volume is 300×320×325 mm (single-nozzle mode gives 325×320×325 mm). Beyond printing, the H2D can be equipped with optional laser engraving and cutting modules (10W or 40W) and a pen-plotting module, turning it into a complete desktop manufacturing platform — print a part, then laser-engrave or cut components on the same machine. For a workshop that wants 3D printing, laser work, and cutting in one device, the H2D is unique in the Bambu range. Which Should You Buy? Choose the H2S if: your priority is the largest possible single-piece build volume, you print engineering materials, and you do not need two nozzles. It gives you the most printable space for the money and is the better value for pure large-format printing. Choose the H2D if: you need dual-material printing (rigid + flexible, or soluble supports), or you want laser engraving, cutting, and plotting integrated into the same machine. It is the multi-process flagship for a complete manufacturing workflow. For dual-material work in a more compact, lower-cost package, also consider the X2D — it offers dual nozzles in a smaller 256×256×260 mm format with a 300°C nozzle. Available from Eolas Prints Eolas Prints is an authorised Bambu Lab reseller based in Cantabria, Spain. Both the H2S and H2D are in stock and ship across Europe with EU warranty and professional support. We also offer installation and training for professional and B2B customers. Pricing is on each product page. Contact us to discuss your application.

Bambu Lab now offers seven distinct 3D printers, and they are genuinely different machines — not minor variations on a theme. The difference between the cheapest and the most capable is not just speed or size; it is what materials they can physically print. Choosing the wrong one means either overpaying for capability you will never use, or buying a machine that cannot run the filament your project needs. This guide maps the entire range so you can match a printer to your actual work. The Single Question That Decides Everything: Open or Enclosed? Every Bambu Lab printer falls into one of three structural categories, and this is the first and most important fork in the decision: Open-frame (A1, A2L): No enclosure. Ideal for PLA, PETG, and TPU. Cannot reliably print ABS, ASA, or engineering materials because there is no way to control the air temperature around the print. Passively enclosed (P1S, P2S): A closed box that traps heat from the bed. Handles ABS and ASA in addition to PLA and PETG. The chamber is warmed by the bed but not actively heated. Actively heated chamber (X2D, H2S, H2D): A chamber with its own heater holding a stable 65°C. This is what high-performance engineering materials — PA-CF, PC, PPA — need to print without warping or delaminating. If your materials are PLA and PETG, an open-frame machine will serve you perfectly and save you money. If you need ABS occasionally, you want an enclosure. If engineering materials are central to your work, you need an actively heated chamber. Everything else follows from this. The Full Range at a Glance Printer Type Build volume Max nozzle Chamber Best for A1 Open frame 256×256×256 mm 300°C None Beginners, PLA/PETG, multi-colour with AMS Lite A2L Open frame 330×320×325 mm 300°C None Large PLA/PETG prints, craft cutting and drawing P1S Enclosed (passive) 256×256×256 mm 300°C Passive Proven workhorse, ABS/ASA capable, print farms P2S Enclosed (passive) 256×256×256 mm 300°C Passive (Adaptive Airflow) Refined P-series, touchscreen, quick-swap nozzle X2D Active chamber 256×256×260 mm 300°C Active 65°C Dual-nozzle, clean supports, compact engineering H2S Active chamber 340×320×340 mm 350°C Active 65°C Largest volume, single nozzle, engineering parts H2D Active chamber 350×320×325 mm 350°C Active 65°C Dual independent nozzle, optional laser/cutting The Open-Frame Tier: A1 and A2L Both are bed-slinger machines with no enclosure, designed for PLA, PETG, and TPU. They share the AMS Lite multi-colour system and a 300°C nozzle. The A1 is the entry point — a 256×256×256 mm build volume, 100°C bed, and one of the quietest printers available at under 48 dB. It is the best first 3D printer for most people: reliable, fully auto-calibrating, and capable of multi-colour printing with the AMS Lite. The A2L is the new large-format sibling (launched June 2026), with a 330×320×325 mm build volume — 105% larger than the A1. It adds a PMSM closed-loop servo extruder and adaptive vibration compensation for cleaner tall prints, plus a unique feature in the Bambu range: optional cutting and pen modules that turn it into a vinyl cutter and plotter for stickers, paper, and fabric. Note its bed maxes at 80°C (lower than the A1's 100°C), a deliberate choice for the larger open-frame design — it remains a PLA/PETG/TPU machine, not for engineering materials. The Enclosed Tier: P1S and P2S Both are fully enclosed CoreXY machines in the same 256×256×256 mm format, capable of ABS and ASA in addition to PLA and PETG. The enclosure traps bed heat to stabilise the chamber, but neither has active chamber heating. The P1S is the proven workhorse — the backbone of print farms worldwide, known for reliability at an accessible price. It uses a button-and-LCD interface and prints up to 500 mm/s. The P2S is the 2025 refinement: a 5-inch colour touchscreen, a quick-swap nozzle system (change nozzles in under a minute), a new servo-driven extruder, Adaptive Airflow for better chamber stability, and AI error detection inherited from the H-series. Bambu kept both in the range — the P2S is the better machine, the P1S remains the value option. The Active-Chamber Tier: X2D, H2S, H2D These three share a 65°C actively heated chamber — the prerequisite for printing engineering materials like PA-CF and PC reliably at any size. Beyond that they diverge significantly. The X2D is the compact engineering machine (256×256×260 mm) and the only one of the three with a 300°C nozzle rather than 350°C. Its distinguishing feature is a dual-nozzle system — a main nozzle for the part and an auxiliary nozzle for support material — which produces clean, easily removed supports using PVA or BVOH. It is the successor to the discontinued X1 Carbon. The H2S has the largest build volume in the entire Bambu range at 340×320×340 mm, a single 350°C nozzle, and a servo extruder. It is the choice when you need to print large engineering parts in one piece. The H2D is the flagship: dual independent 350°C nozzles, a 350×320×325 mm build volume, and the option to add laser engraving, cutting, and pen-plotting modules — making it a complete desktop manufacturing platform rather than just a printer. Recommendations by User First 3D printer, mostly PLA: A1 (or A1 Combo for multi-colour) Large decorative or cosplay prints, plus craft cutting: A2L First enclosed printer for occasional ABS, on a budget: P1S Best all-round enclosed printer for most buyers: P2S Multi-material with clean dissolvable supports, compact: X2D Large engineering parts in one piece: H2S Flagship — dual-material engineering plus laser/cutting: H2D Available from Eolas Prints Eolas Prints is an authorised Bambu Lab reseller based in Cantabria, Spain, serving customers across Europe. Every printer in this guide is in stock with EU warranty and local technical support. Current pricing is on each product page linked above. Not sure which machine fits your materials and workflow? Contact us — we advise before you buy.