13 of 13 answers for the Bambu Lab A1 mini are verified against Bambu Lab's published documents, each with its source and date. Checked against Bambu Lab's published documents on 5 October 2026. We have not physically tested this.
Verification means the maker's own page was opened and the quoted words appear on it. It is not a physical test. How we verify.
The maker lists PLA as ideal for the A1 mini.
Supported Filament PLA, PETG, TPU, PVA Ideal ABS, ASA, PC, PA, PET, Carbon/Glass Fiber Reinforced Polymer Not Recommended
The maker lists PETG as ideal for the A1 mini.
Supported Filament PLA, PETG, TPU, PVA Ideal ABS, ASA, PC, PA, PET, Carbon/Glass Fiber Reinforced Polymer Not Recommended
Note : For PETG and PETG-CF/GF, an enclosed printer is recommended to prevent low ambient temperatures from reducing the model's interlayer strength.
The maker lists TPU as ideal for the A1 mini.
Supported Filament PLA, PETG, TPU, PVA Ideal ABS, ASA, PC, PA, PET, Carbon/Glass Fiber Reinforced Polymer Not Recommended
The maker lists PVA as ideal for the A1 mini.
Supported Filament PLA, PETG, TPU, PVA Ideal ABS, ASA, PC, PA, PET, Carbon/Glass Fiber Reinforced Polymer Not Recommended
The maker lists ABS and ASA as not recommended for the A1 mini.
Supported Filament PLA, PETG, TPU, PVA Ideal ABS, ASA, PC, PA, PET, Carbon/Glass Fiber Reinforced Polymer Not Recommended
The maker lists PC as not recommended for the A1 mini.
Supported Filament PLA, PETG, TPU, PVA Ideal ABS, ASA, PC, PA, PET, Carbon/Glass Fiber Reinforced Polymer Not Recommended
The maker lists carbon and glass-fibre reinforced filament as not recommended for the A1 mini.
Supported Filament PLA, PETG, TPU, PVA Ideal ABS, ASA, PC, PA, PET, Carbon/Glass Fiber Reinforced Polymer Not Recommended
When printing carbon fiber or glass fiber-reinforced materials
Do not use a stainless steel or brass nozzle. Their hardness is insufficient, so they wear out quickly
On the A series (A2L, A1, A1 mini) the nozzle detaches from the heating assembly, so the nozzle can be replaced on its own.
The A series nozzle is easily detached from the heating assembly ... Compatibility: A2L/ A1 / A1 mini
The A1 mini ships with a 0.4 mm stainless steel nozzle.
Hot End All-Metal Nozzle Stainless Steel Max Hot End Temperature 300 °C Nozzle Diameter 0.4 mm (Included)
A hardened steel nozzle is an optional upgrade on the A series. For carbon and glass-fibre filament Bambu says not to use stainless steel or brass nozzles.
A series printer comes standard with a 0.4mm stainless steel nozzle, and a hardened steel nozzle can be upgraded to an optional upgrade.
When printing carbon fiber or glass fiber-reinforced materials
Do not use a stainless steel or brass nozzle. Their hardness is insufficient, so they wear out quickly
PTFE tube carries the filament from the AMS or the external spool holder to the extruder, which is inside the toolhead. Bambu recommends replacing the tube every two months under normal use, and inspecting it every month with highly abrasive filaments such as carbon fibre or glow-in-the-dark.
routing it from the Automatic Material System (i.e. AMS) or the external spool holder to the extruder inside the printer toolhead
Under normal usage, we recommend replacing the tube every two months
When printing with highly abrasive filaments (such as carbon fiber or glow-in-the-dark filaments), we recommend inspecting the tube every month
The A1 mini ships with a Bambu Textured PEI Plate.
Heatbed Build Plate Bambu Textured PEI Plate (Included) Bambu Smooth PEI Plate
The A1 mini has belt tensioners for both the X and Y axes. The tool head monitors X-axis belt tension and the system prompts you to adjust it if tension is abnormal.
The A1 mini has belt tensioners for both the X and Y axes.
If there is an abnormality in the tension force of the X-axis belt, the system will prompt you to adjust the tension.
The model name is printed on the front of the printer and shown on its screen.
Something wrong on this page? Report an error. Last checked 5 October 2026.