Build plates that fit the Bambu Lab X1 Carbon, compared

Every 256 × 256 mm Bambu Lab plate fits the X1 Carbon, and so does any third-party magnetic plate that lists the X1 series or X1C. On October 21, 2026, Bambu Lab’s US store listed four X1-series plates at $29.99 to $37.99. BIQU, Wham Bam and West3D sold X1C plates at $25.39 to $63.00.

Which build plates fit the Bambu Lab X1 Carbon?

The Bambu Lab X1 Carbon takes any 256 × 256 mm Bambu Lab plate, the one size Bambu Lab uses for the X1 and P1 series, A1, P2S and X2D. Third-party magnetic plates that list the X1 series or X1C fit too. P2S and X2D plates fit, but the X1 Carbon does not identify them automatically.

Plate and vendor	Surface	Sides	Rated max temperature (vendor figure)	US price, October 21, 2026	Source
Bambu Lab Textured PEI Plate	Powder-coated textured PEI on stainless steel	2	Up to 180 °C	$34.99	Bambu Lab US store
Bambu Lab Cool Plate SuperTack	SuperTack coating on spring steel, for PLA and PETG	Not stated	Up to 120 °C	$34.99	Bambu Lab US store
Bambu Lab Engineering Plate	Polyester powder coating on 0.5 mm manganese steel; glue for every filament	Not stated	Up to 120 °C	$29.99	Bambu Lab US store
Bambu Lab Dual-Texture PEI Plate	Textured PEI on one side, smooth PEI sheet on the other	2	Not stated	$37.99	Bambu Lab US store
BIQU Panda Build Plate	Textured PEI, paired with smooth PEI, smooth PEO, smooth PET or a second textured PEI side	2	Not stated	$30.78 to $33.99, by surface pair	BIQU store
BIQU Panda CryoGrip Pro	Seven-layer polymer coating, coarse (Frostbite) or fine (Glacier) texture	2	Not stated	$25.39 to $39.99, by texture and color	BIQU store
West3D FR4 / G10 Garolite Build Surface	0.5 mm FR4 (G10) on a flex plate	1	Not stated	$39.99	West3D store
Wham Bam Flexi Plate with Carbon Fiber	Thermoset carbon fiber composite on 0.4 mm spring steel	1 (one-sided use only)	Not stated	$63.00	Wham Bam store
Wham Bam Flexi Plate with PEX	0.35 mm PEX sheet on 0.4 mm spring steel	Not stated	Not stated	$42.00	Wham Bam store
Wham Bam XTR Flexi Plate with Textured ULTEM PEI	Powder-painted ULTEM PEI on 0.6 mm spring steel	2	Not stated	$62.00	Wham Bam store

Rows are sorted by the vendor’s rated maximum temperature, highest first, with ties and unrated plates in alphabetical order. Prices are each vendor’s own US store listing for the X1-size plate. Sizes differ slightly: Bambu Lab gives a 256 × 256 mm print area. BIQU lists the Panda plate at 257 × 257 mm and the CryoGrip Pro at 256 × 256 mm, and Wham Bam’s plates are 258 × 258 mm.

Three plates in Bambu Lab’s X1 Carbon documents are not in the table:

• Smooth PEI Plate. Rated to 120 °C, but Bambu Lab’s US listing says the version “for X1/P1/A1/P2S/X2D/H2 Series is no longer available”. It names the Engineering Plate as the replacement.
• Cool Plate and High Temperature Plate. Both appear in the X1 Carbon spec sheet’s compatible-plate list. Neither had a US store listing on October 21, 2026.

Plate markers and the “not recognized” warning

Bambu Lab plates carry an ArUco marker (a square printed code, similar to a QR code) that the X1 Carbon uses to check that the plate is in place and aligned. A third-party plate triggers HMS_0C00-0300-0002-000C, “Build plate marker not detected”, and Bambu Lab’s wiki says to “just ignore the message”. Second-generation Bambu Lab plates, made for the P2S and X2D with an updated QR code, also work on the X1 series. When the printer reports an unrecognized plate, choose “Resolved” or turn off Build Plate Detection in the settings.

Some third-party plates come with a marker: Wham Bam’s three plates in the table ship with five ArUco stickers each, and BIQU’s CryoGrip Pro includes AR code stickers for the X1C and X1E. BIQU also sells a QR code sticker set for the X1C.

How to pick a build plate for the X1 Carbon

1. Match the size. Buy the “X1 Series” or “X1C” option of a Bambu Lab plate, or a third-party plate whose fit list names the X1 Carbon.
2. Match the filament. Bambu Lab’s Textured PEI Plate needs no glue for PLA, PETG or TPU. Its Engineering Plate needs glue for everything, and SuperTack is for PLA and PETG only. The table below gives the bed temperatures.
3. Check the rating against the bed. The X1 Carbon bed reaches 110 °C on 220 V and 120 °C on 110 V. A plate rated at 120 °C or more covers every bed temperature the printer can set.
4. Check the cleaning rules. Bambu Lab says not to use acetone on its Textured PEI, Engineering or SuperTack plates.
5. Set the plate type in Bambu Studio. Each filament profile stores a bed temperature per plate type, so pick the one the plate maker names. Wham Bam specifies “Smooth PEI Plate / High Temp Plate” for its PEX plates and “Textured PEI Plate” for its powder-painted ULTEM PEI plates. BIQU’s choice for the CryoGrip Pro is also “Smooth PEI Plate / High Temp Plate”.

Bed temperature and glue for three current Bambu Lab plates, from each plate’s US store listing:

Filament	Textured PEI Plate	Engineering Plate	Cool Plate SuperTack
PLA	45 to 60 °C, no glue	45 to 60 °C, glue	Designed for it; 45 °C bed
PETG	60 to 80 °C, no glue	60 to 80 °C, glue	Designed for it; about 65 °C on the X1 series
ABS, ASA	90 to 100 °C, glue	90 to 100 °C, glue	Not listed
PC, PC-CF	90 to 110 °C, glue	90 to 110 °C, glue	Not listed
PA, PA-CF, PAHT-CF	90 to 110 °C, glue	90 to 110 °C, glue	Not listed
TPU	35 to 45 °C, no glue	35 to 45 °C, glue	Do not use; Bambu Lab says TPU damages it

The SuperTack PETG figure is from Bambu Lab’s wiki, which says the X and P series still use one PETG setting for both plate generations.

What are the alternatives to Bambu Lab build plates?

Third-party X1C plates are magnetic steel sheets that sit on the printer’s own magnetic bed, so nothing else needs fitting. They differ in surface, and each maker sets its own conditions:

• PEI. BIQU’s Panda plate and Wham Bam’s XTR plate use polyetherimide (PEI), the same polymer as Bambu Lab’s PEI plates. Wham Bam says to add glue stick or Magigoo for nylon on the XTR.
• PEX. Wham Bam’s PEX surface needs scuffing with 000 steel wool or a red Scotch-Brite 7447 pad before first use. Wham Bam warns that PETG, and sometimes ASA, “like to bond to PEX”. It advises a PVA glue stick as a barrier and says Bambu Lab’s included glue stick is too thin for that job.
• Carbon fiber composite. A thermoset that “cannot be reformed by heat”, according to Wham Bam. Its maker lists only two risks: a hot nozzle pressing on it above 150 °C, and thick layers printed above 270 °C.
• FR4 / G10 garolite. A glass-fiber epoxy laminate. West3D’s plate is single-sided with a blank back, which West3D says increases its hold over double-sided plates.
• Low-temperature coatings. BIQU lists a 45 to 55 °C bed for PLA and 60 to 75 °C for PETG on its CryoGrip Pro.

None of the third-party listings in the table publishes a maximum temperature. Ask the seller for one before running a plate near the X1 Carbon’s 120 °C limit for PC or nylon.

What can replace the Bambu Lab Engineering Plate?

The Bambu Lab Engineering Plate is still sold: Bambu Lab’s US store listed it for the X1 Carbon at $29.99 on October 21, 2026. Other smooth surfaces that fit the X1 Carbon are the smooth side of Bambu Lab’s Dual-Texture PEI Plate, BIQU’s Panda Build Plate, and Wham Bam’s PEX and Carbon Fiber plates.

Bambu Lab’s X1 Carbon spec sheet lists the Engineering Plate as “the otherside of Cool/High Temperature Plate”, so the standalone plate also replaces a worn Engineering side on an older double-sided plate. Bambu Lab describes its coating as refreshed for better temperature, scratch and corrosion resistance. It is 0.5 mm manganese steel with a polyester powder coating, rated to 120 °C. It needs glue for every filament.

The other smooth surfaces, with their makers’ conditions (prices in the table above):

• Bambu Lab Dual-Texture PEI Plate, smooth side. Bambu Lab lists glue for every filament except PLA. Its wiki says the glue keeps the PEI sheet from tearing.
• BIQU Panda Build Plate. Smooth PEI, PEO or PET on one side, textured PEI on the other.
• Wham Bam Flexi Plate with PEX. Wham Bam gives a 50 to 60 °C bed for PETG and ASA under the “Smooth PEI Plate / High Temp Plate” profile.
• Wham Bam Flexi Plate with Carbon Fiber. Wham Bam says prints often release on their own once cool, and asks for a first-layer nozzle temperature of 270 °C or less.

Do Bambu Lab printers need a high-temperature build plate?

Not the X1 series. The X1 Carbon and X1E both stop at 110 °C on 220 V and 120 °C on 110 V, according to their spec sheets. Every Bambu Lab plate for them with a published rating carries 120 °C or more. On a stock printer, a higher-rated plate adds no bed temperature, because the bed sets the ceiling.

Bambu Lab’s plate listings give a 90 to 110 °C bed with glue for PC and nylon, inside a 120 °C rating. The X1C upgrade path covers what the bed limit means for PC on 220 V, and the Bambu Lab hub lists the bed limit of every other Bambu Lab model.

A rating above the bed’s limit matters in three cases:

• Nozzle contact. Before auto-leveling, the X1 Carbon rubs the nozzle on a wiping area of the plate. Bambu Lab says the coating there “will gradually become worn over time”. Wham Bam asks owners of tap-leveling printers to keep the nozzle at 140 °C or less during leveling, because a hot nozzle can mark its carbon fiber surface from 150 °C.
• Off-printer heat. A part annealed in an oven while still on the plate takes the plate to the oven’s temperature. The plate’s rating, not the bed’s, is then the limit.
• A modified or replaced bed. If the bed runs hotter than stock, the plate must be rated above the new bed temperature.

How does a 380 °C rated build plate differ from a standard PEI plate?

A 380 °C rated build plate is specified to survive far above 217 °C, where ULTEM 1000 PEI softens (its glass transition). Bambu Lab rates its standard PEI plates at 120 °C (smooth, with adhesive under the sheet) and 180 °C (textured). On a stock Bambu Lab X1 Carbon, either plate runs at 120 °C at most.

What sets the limit on a standard PEI plate, layer by layer:

Layer	Limit	Source figure
PEI surface	Glass transition 217 °C; heat deflection 201 °C at 1.82 MPa	SABIC ULTEM 1000 data sheet
Adhesive under a smooth PEI sheet	3M rates its 468MP acrylic transfer tape to 204 °C “for short periods”	3M
Bambu Lab Smooth PEI Plate (sheet bonded with “a highly heat-resistant 3M adhesive”)	Rated to 120 °C	Bambu Lab
Bambu Lab Textured PEI Plate (PEI powder sprayed onto the steel; no adhesive listed)	Rated to 180 °C	Bambu Lab

A 380 °C rating needs the coating, its bond to the metal and the base plate all to hold at that temperature. On the X1 Carbon, that margin matters only in the three cases above: nozzle contact, oven annealing on the plate, or a hotter bed. None of the X1 Carbon plate listings checked on October 21, 2026, published a rating above Bambu Lab’s 180 °C.

Before you rely on a high rating, ask the seller two things:

• What it covers. Is the figure for the coating alone or the whole plate, and is it continuous or a short-exposure limit? 3M’s 204 °C figure, for example, applies “for short periods”.
• Nozzle contact. Is there a separate, lower limit for a hot nozzle pressing on the surface? Wham Bam says a hot nozzle can mark its carbon fiber plate from 150 °C.