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The Filament Price Index

Updated July 22, 2026

Best Filament for Bambu Lab X1 Carbon

The Bambu Lab X1 Carbon is a fully enclosed high-temp printer with AMS multi-material support. We cover the best filament choices — from everyday PLA to engineering-grade PA-CF — and how to get the most out of the AMS system.

Printer Guide
The Bambu Lab X1 Carbon is one of the most capable consumer printers on the market, combining a fully enclosed build chamber, 120 °C bed, 300 °C all-metal hotend, and the AMS (Automatic Material System) for multi-material printing. With a 256 mm³ build volume and support for virtually every common 3D printing material, the X1C is a true workhorse. PLA and PLA+ PLA is effortless on the X1C. The enclosed chamber, high-speed flow rate, and dynamic flow calibration ensure consistently excellent results. Print PLA with the enclosure door open or top glass removed to prevent heat creep. Nozzle temps of 200–220 °C and bed temps of 55–65 °C work perfectly. Bambu's default PLA profiles are well-optimized out of the box. PLA+ prints on the same settings and offers improved layer adhesion and impact resistance. PETG PETG prints well on the X1C, but requires a similar approach to the K1 — keep the enclosure vented (door open, top glass removed) to avoid heat buildup. The X1C's precise flow control compensates for PETG's tendency to string. Recommended settings: 240–260 °C nozzle, 75–85 °C bed. For PETG-CF, use a hardened nozzle and the corresponding Bambu profile. ABS and ASA The X1C's fully enclosed chamber makes ABS and ASA trivial to print — one of its standout features. The chamber naturally reaches 45–55 °C during ABS printing, eliminating the warping that plagues open-frame printers. Bed temp: 100–110 °C, nozzle temp: 260–280 °C. ASA is an excellent alternative when UV stability is needed, with almost identical settings and less odor. TPU and Flexible Materials The X1C handles TPU through its direct-drive extruder, though with a caveat: the AMS cannot feed flexible filaments. TPU must be loaded through the external spool holder directly into the extruder. For best results, print TPU at 20–40 mm/s with nozzle temps of 220–240 °C and bed temps of 40–50 °C. The X1C's filament path is relatively constrained, so very soft TPU (85A or below) can be challenging at high speeds. PA (Nylon) and PA-CF The X1C is exceptional with nylons and filled composites. The 300 °C hotend handles PA at 260–290 °C, and PA-CF at 270–300 °C. Bed temperatures of 80–110 °C. Nylon must be dried thoroughly before printing — the X1C's enclosed chamber helps retain some warmth, but a dedicated dryer is strongly recommended. PA-CF is one of the X1C's signature materials, producing extremely strong, lightweight parts that are ideal for functional printing. PC (Polycarbonate) Polycarbonate prints reliably on the X1C at 260–280 °C nozzle and 100–110 °C bed. The enclosure maintains a stable warm environment that prevents warping. PC absorbs moisture readily, so dry spools before printing. PLA-CF and PLA-SILK Both run beautifully on the X1C. PLA-CF benefits from a hardened nozzle (included with the X1C), and the AMS can handle CF-filled filaments as long as the particles are fine enough. PLA-SILK at 210–230 °C with slower outer perimeters produces glossy, lustrous parts. AMS Tips The AMS supports four spools simultaneously and enables multi-color and multi-material prints. Key filament rules for the AMS: - Do not run TPU or other flexible filaments through the AMS — use the external spool holder. - Cardboard spools may not fit or may shed particles — use plastic spool adapters or transfer to Bambu spools. - The AMS can mix materials (e.g., PLA supports for PETG parts) for clean overhangs. - Bambu Lab's RFID-enabled spools auto-configure profiles, but third-party filaments work with manual profile selection.

FAQ

Can the Bambu X1C print carbon fiber filaments?
Yes, the X1C ships with a hardened steel extruder gears and nozzle, making it ready for abrasive filaments like PA-CF, PLA-CF, and PETG-CF out of the box. For heavily filled materials, periodically check the nozzle for wear.
Does the AMS work with TPU?
No — the AMS cannot feed flexible filaments. TPU must be loaded through the external spool holder on the side of the X1C. You can still use the AMS alongside TPU by connecting TPU externally and using the remaining AMS slots for rigid materials.
What is the maximum chamber temperature of the X1C?
The X1C's chamber typically reaches 45–60 °C during long prints with the bed at 100–110 °C. This is warm enough for ABS, ASA, and PC, but the X1C does not have an actively heated chamber like industrial printers. For PA and PC, preheat the bed for 10–15 minutes before starting.
Can I print PLA and ABS in the same AMS setup?
Yes, but only one at a time. PLA and ABS have very different temperature requirements. You can switch between them between prints. The AMS can hold four spools of the same material type or mixed rigid filaments for multi-color prints within the same temperature family.
Do I need to dry nylon before printing on the X1C?
Absolutely. Nylon (PA) absorbs moisture from the air rapidly, and printing wet nylon causes bubbling, stringing, and weak parts. Use a filament dryer at 70–80 °C for 6–12 hours before printing. Store opened spools in a dry box or vacuum bag.
The X1 Carbon is the most capable enclosed printer in its class, supporting everything from hobby-grade PLA to industrial PA-CF with minimal fuss. The combination of AMS multi-material, high-temp printing, and a fully heated chamber makes it the best all-around choice for users who want to experiment across the full filament spectrum. Browse our current deals on X1C-compatible filaments to find the best prices on premium spools.

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