Advanced 3D Printing

The A1 and A2L are Bambu Lab's two open-frame printers — bed-slinger machines without an enclosure, built for PLA, PETG, and TPU. They look similar in spirit but serve different needs. The A2L is not simply a bigger A1; it is a newer machine with a meaningfully upgraded motion and extrusion system, plus a feature the A1 does not have at all. Here is how to choose. The Core Difference: Size and Generation The A1 launched in late 2023 with a 256×256×256 mm build volume. The A2L arrived in June 2026 with a 330×320×325 mm build volume — 105% larger — and a set of internal upgrades that reflect two and a half years of engineering progress. The A2L is the large-format, second-generation A-series machine the community had been asking for. Side by Side Bambu Lab A1 Bambu Lab A2L Build volume 256×256×256 mm 330×320×325 mm Max nozzle temp 300°C 300°C Max bed temp 100°C 80°C Extruder Direct drive PMSM closed-loop servo Vibration control Input shaping Adaptive vibration compensation Max speed 500 mm/s Up to 1000 mm/s Multi-colour AMS Lite (up to 4) AMS Lite (up to 4) Cutting / pen modules No Yes (optional) Materials PLA, PETG, TPU PLA, PETG, TPU Why the A2L's Bed Temperature Is Lower One spec looks like a downgrade: the A2L's bed maxes at 80°C versus the A1's 100°C. This is deliberate. The A2L's bed is much larger, and heating that area to 100°C would draw enough power to strain a typical home electrical circuit. Bambu capped it at 80°C for energy efficiency and safety. Since both machines are designed for PLA, PETG, and TPU — none of which need a bed above 80°C — this does not limit their intended use. Neither machine is suitable for ABS or ASA regardless; that requires an enclosure. The A2L's Unique Trick: Cutting and Drawing The A2L has a mounting point for optional modules that no other Bambu printer offers. The Blade Cutting Upgrade Kit adds a cutting module and pen module, turning the A2L into a vinyl cutter and plotter. It cuts stickers, paper, vinyl, and thin leather, and draws with a pen — Cricut-style craft work on a machine that also 3D prints. For a craft room or small personalisation business, this dual capability is genuinely useful. Note the A2L does not support laser modules, due to safety considerations with its open frame. The Real-World Upgrades Beyond size, the A2L's PMSM closed-loop servo extruder monitors extrusion in real time and detects problems before they ruin a print — technology shared with the X2D. Its adaptive vibration compensation actively corrects ringing and ghosting as a print grows taller, which matters more on a large bed-slinger where tall prints wobble more. These are real quality improvements, not just marketing. Which Should You Buy? Choose the A1 if: you are new to 3D printing, you mostly print single-colour or multi-colour PLA and PETG at normal sizes, and you want the most affordable, proven entry into the Bambu ecosystem. It remains an excellent machine. Choose the A2L if: you need the larger build volume for cosplay, large decor, or one-piece prints; you want the cleaner tall-print quality from adaptive vibration compensation; or the cutting and pen modules appeal to your craft or personalisation work. Both are PLA/PETG/TPU machines. If you need to print ABS, ASA, or engineering materials, neither is the right choice — look at the P2S (enclosed) or the active-chamber machines instead. Available from Eolas Prints Eolas Prints is an authorised Bambu Lab reseller based in Cantabria, Spain. Both the A1 and A2L are in stock and ship across Europe with EU warranty. Pricing is on each product page. Contact us if you would like help deciding.