IdeaFormer double-sided PEI plate for Bambu Lab
Double-sided magnetic spring steel plate (textured PEI on one side), an alternative to the original plate, in two sizes: 257 × 257 mm and 184 × 184 mm for A1 mini.
Category: Build plates · Assessed from documentation · Updated on October 12, 2026
Why it was selected
The seller listing names the compatible Bambu Lab models for each size, and the sizes match the build plate documented by Bambu Lab. It is an alternative to the original plate that can be bought on AliExpress.
Limitations
- This is not an original Bambu Lab part.
- Compatibility is declared by the seller and checked against the manufacturer’s documented dimensions: no hands-on test.
- The two sides have different surfaces: temperatures and adhesion depend on the side you use.
- The plate does not expand printer material support.
How to choose the variant
A1, P1P, P1S, X1, X1 Carbon, X1E: 257 × 257 mm. A1 mini: 184 × 184 mm (separate link). On the page, choose the surface combination that includes PEI.
Available variants
- A1 / P1P / P1S / X1 / X1 Carbon / X1E — 257 × 257 mm
- A1 mini — 184 × 184 mm
Compatibility by printer
| Printer | Variant | Status |
|---|---|---|
| Bambu Lab A1 A1 (anche Combo / AMS lite) | A1 / P1P / P1S / X1 / X1 Carbon / X1E — 257 × 257 mm | Compatibility declared by the seller Assessed from documentation Verified on October 12, 2026 Model listed by the seller; 256 × 256 mm build area documented by the manufacturer. No hands-on test. |
| Bambu Lab A1 mini A1 mini (anche Combo / AMS lite) | A1 mini — 184 × 184 mm | Compatibility declared by the seller Assessed from documentation Verified on October 12, 2026 Model listed by the seller; 180 × 180 mm build area documented by the manufacturer. No hands-on test. |
| Bambu Lab P1P P1P (anche bundle Combo / AMS) | A1 / P1P / P1S / X1 / X1 Carbon / X1E — 257 × 257 mm | Compatibility declared by the seller Assessed from documentation Verified on October 12, 2026 Model listed by the seller; 256 × 256 mm build area documented by the manufacturer. No hands-on test. |
| Bambu Lab P1S P1S (anche bundle Combo / AMS) | A1 / P1P / P1S / X1 / X1 Carbon / X1E — 257 × 257 mm | Compatibility declared by the seller Assessed from documentation Verified on October 12, 2026 Model listed by the seller; 256 × 256 mm build area documented by the manufacturer. No hands-on test. |
| Bambu Lab X1 X1 (anche bundle Combo / AMS) | A1 / P1P / P1S / X1 / X1 Carbon / X1E — 257 × 257 mm | Compatibility declared by the seller Assessed from documentation Verified on October 12, 2026 Model listed by the seller; 256 × 256 mm build area documented by the manufacturer. No hands-on test. |
| Bambu Lab X1 Carbon X1 Carbon (anche bundle Combo / AMS) | A1 / P1P / P1S / X1 / X1 Carbon / X1E — 257 × 257 mm | Compatibility declared by the seller Assessed from documentation Verified on October 12, 2026 Model listed by the seller; 256 × 256 mm build area documented by the manufacturer. No hands-on test. |
| Bambu Lab X1E X1E (anche bundle Combo / AMS) | A1 / P1P / P1S / X1 / X1 Carbon / X1E — 257 × 257 mm | Compatibility declared by the seller Assessed from documentation Verified on October 12, 2026 Model listed by the seller; 256 × 256 mm build area documented by the manufacturer. No hands-on test. |
| Bambu Lab A1 A1 (anche Combo / AMS lite) | A1 mini — 184 × 184 mm | Incompatible Assessed from documentation Verified on October 12, 2026 Size intended for A1 mini; A1 needs the 257 × 257 mm size. |
| Bambu Lab A1 mini A1 mini (anche Combo / AMS lite) | A1 / P1P / P1S / X1 / X1 Carbon / X1E — 257 × 257 mm | Incompatible Assessed from documentation Verified on October 12, 2026 Size intended for models with a 256 × 256 mm bed; A1 mini needs the 184 × 184 mm size. |
What you need to install it
View on AliExpress — choose “A1 / P1P / P1S / X1 / X1 Carbon / X1E — 257 × 257 mm” (opens in a new tab)
Affiliate link: we may earn a commission. Your price does not change.
Check the price on AliExpress
Availability and shipping depend on the delivery country: check them on AliExpress.
View on AliExpress — choose “A1 mini — 184 × 184 mm” (opens in a new tab)
Affiliate link: we may earn a commission. Your price does not change.
Check the price on AliExpress
Availability and shipping depend on the delivery country: check them on AliExpress.
Sources
- Upgraded Heatbed For Bambu Lab A1/P1P/P1S/X1C/X1/X1E PEI PET 257×257mm Double Sided Build Plate — IdeaFormer Factory Store (AliExpress), accessed on October 12, 2026
- For Bambu Lab A1 Mini Build Plate Double Sided Texture PEI Smooth PEO PET Bed Spring Steel Sheet 184x184mm — IdeaFormer Factory Store (AliExpress), accessed on October 12, 2026
- A1 — technical specifications — Bambu Lab, accessed on October 5, 2026
- A1 mini — quick start guide and specifications — Bambu Lab, accessed on October 5, 2026
- P1P, P1S — specifications and comparison — Bambu Lab, accessed on October 5, 2026
- X1, X1 Carbon — quick start guide and specifications (PDF) — Bambu Lab, accessed on October 5, 2026
- X1E — technical specifications — Bambu Lab, accessed on October 5, 2026