UniTak3D 257x257mm Double-Sided PEI Build Review (2026): A Spec-Based Look
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This unitak3d pei build plate bambu lab x2d p2s p1s a1 p1p x1c x1 x1e 3d printer accessory replaces your stock bed. It measures 257 by 257 millimeters. The plate features double-sided PEI coating. One side offers a textured finish for strong adhesion. The other side provides a smooth surface for clean bottom layers. It handles temperatures up to 300 degrees Celsius. This design supports a wide range of filaments. You get two surfaces in one plate. The spring steel base ensures durability. This spec-based look explains how these features impact your prints.
What stands out
- Double-sided PEI coating with textured and smooth surfaces
- Dimensions of 257 by 257 millimeters
- Heat resistance up to 300 degrees Celsius on the textured side
- Compatible with Bambu Lab X2D, P2S, P1S, A1, P1P, X1C, X1, and X1E printers
- No glue needed for adhesion on the textured side
Who it fits
Good fit for
You should choose this plate if you print with PLA, ABS, ASA, PETG, TPU, Nylon, PA, or PC. The textured side holds models firmly without glue. The smooth side creates clean bottom layers. It fits many Bambu Lab models. You save money by buying one plate with two surfaces. The high heat resistance helps with engineering materials. This option suits users who want versatility without buying separate plates for different materials.
Who should skip it
Skip this option if you need a plate for printers other than the listed Bambu Lab models. The data does not mention compatibility with Flashforge, Anycubic, Elegoo, or Snapmaker for this specific item. You must check the variation list for other sizes. If you require a glossy finish for aesthetic prints, the smooth side still needs glue sticks for most filaments except PLA. The textured side may not suit projects requiring perfectly flat bottoms. You must level the plate again when switching sides.
Verdict: This double-sided PEI plate offers practical versatility for Bambu Lab users. The two surfaces and high heat tolerance make it a solid upgrade for most standard prints.
Key specs for this PEI plate
Dimensions: 257*257mm
This size matches the build volume of specific Bambu Lab printers. You need this exact footprint for your machine to fit correctly. If your printer uses a different bed size, this plate will not work. Check your printer model against the compatibility list. The 257mm square shape ensures full coverage for standard print jobs without overhang issues on the edges.
Build Surface Type: Smooth and textured PEI
You get two distinct surfaces on one flexible sheet. The textured side provides strong grip for most materials, while the smooth side yields a glossy bottom layer. This versatility lets you choose the finish you want without buying separate plates. The textured side is ideal for standard prints, while the smooth side works well for aesthetic models where a clean bottom matters.
Maximum Temperature: 300℃
The PEI coating withstands high heat up to 300 degrees Celsius. This rating allows you to print engineering materials like polycarbonate or nylon without damaging the surface. Lower quality plates may warp or degrade at these temperatures. This heat resistance ensures the bed remains flat and functional over many high-temperature print cycles, protecting your investment in advanced filaments.
Build Plate Material: PEI
PEI is a durable polymer that offers excellent adhesion properties. It bonds well with PLA, ABS, PETG, and flexible TPU. Unlike glass, it is flexible, allowing you to bend the plate to release prints easily. This material resists warping and chemical degradation better than basic plastic sheets. It provides a reliable surface for consistent print quality across various filament types.
Design and Build Quality
The listing describes a 257 by 257 millimeter plate constructed from spring steel coated with genuine PEI powder. This material choice defines the plate's durability and thermal behavior. The coating provides two distinct surface finishes for different printing needs. One side features a textured black PEI layer that reaches a maximum temperature of 300 degrees Celsius. This side offers superior adhesion for materials like ABS, ASA, PETG, TPU, Nylon, PA, and PC without requiring glue. The other side presents a smooth PEI surface rated for 200 degrees Celsius. This finish yields a very smooth bottom on your printed models. You must use glue sticks on the smooth side for most filaments to prevent detachment, except when printing PLA. You should peel off the protective film before use. The double-sided design allows you to switch between strong grip and easy removal. Remember to re-level the plate when changing sides. Wait for the platform to cool completely before removing prints to protect the surface. Clean it regularly with a soft cloth. Do not use strong chemical reagents or detergents on the PEI coating. This construction ensures the plate fits printers with a 257 by 257 millimeter platform size. It is compatible with Bambu Lab X2D, A1, P2S, P1P, P1S, X1, X1C, and X1E models. The design prioritizes thermal resistance and versatile adhesion options.
Setup And Daily Use
This build plate is designed for specific 257 by 257 millimeter printers. You must verify your machine matches one of the listed compatible models. These include the Bambu Lab A1, P2S, P1S, P1P, X1, X1C, X1E, and X2D. It also fits certain Flashforge, Anycubic, Elegoo, Snapmaker, and Bambu Lab H2 series printers. The listing confirms it replaces your stock bed. Setup requires you to level the plate again if you switch sides. You must peel off the protective film on the smooth PEI side before your first print. Daily use depends on which surface you choose. The textured side provides superior adhesion without glue. It handles high temperatures up to 300 degrees Celsius. This allows printing with materials like PLA, ABS, ASA, PETG, TPU, Nylon, PA, and PC. The smooth side is easier for removing prints. It creates a very smooth bottom surface on your model. However, the smooth side requires glue sticks for most filaments, except PLA. You need to wait for the platform to cool down completely before removing your model. This prevents damage to the surface. Do not bend the spring steel sheet to eject prints. Clean the surface regularly with a soft cloth. Avoid strong chemical reagents or detergents. The plate supports a wide range of printing materials due to its temperature resistance. You can switch between sides to change your print finish. Just remember to relevel and clean the surface as needed.
Before You Buy This PEI Plate
Before installing this double-sided PEI build plate, verify your printer’s exact bed dimensions. The listing specifies 257 by 257 millimeters, which matches Bambu Lab A1, P2S, P1S, P1P, X1, X1C, X1E, and X2D models. It also fits certain Flashforge, Anycubic, Elegoo, and Snapmaker machines. You must confirm your specific model variant is supported, as options vary. If you plan to use the smooth PEI side, keep glue sticks on hand. The data indicates PLA adheres well without aid, but other filaments like ABS or PETG may require adhesive to prevent detachment. Always peel the protective film from the smooth side before first use. Level the bed again when switching between textured and smooth surfaces. Clean the plate regularly with a soft cloth. Avoid strong chemical cleaners that could damage the PEI coating. This accessory complements your existing hardware by offering versatile surface options. It serves as a practical upgrade for users seeking better part release or stronger adhesion without changing their core printer setup.
Check before you buy
- Confirm your printer model matches the listed compatible sizes.
- Verify the 257 by 257 millimeter bed dimension fits your machine.
- Peel off the protective film on the smooth side before use.
- Keep glue sticks ready if printing with ABS or PETG on smooth PEI.
- Level the bed again after flipping to the opposite surface.
The product at a glance
UniTak3D 257x257mm Double-Sided PEI Build Plate
Best for: switching between textured and smooth finishes
- Primary Material
- Spring Steel
- Dimensions
- 257x257mm
- Maximum Temperature
- 300℃
- Build Surface Type
- Smooth & Textured PEI
- Build Plate Material
- PEI, Spring Steel
View on Amazon: UniTak3D 257x257mm Double-Sided PEI Build Plate Affiliate link
This UniTak3D build plate offers a 257x257mm surface with both textured and smooth PEI sides. The textured side provides strong adhesion without glue, while the smooth side yields a flat finish. It withstands up to 300°C, supporting materials like PLA, ABS, PETG, TPU, Nylon, and PC. You need to use glue sticks on the smooth side for most filaments except PLA. It fits most Bambu Lab printers with this bed size.
Pros
- Double-sided design with textured and smooth PEI surfaces
- Maximum temperature resistance of 300°C
- Strong adhesion on textured side without glue
- Compatible with multiple filament types including TPU and Nylon
Cons
- Requires glue sticks on the smooth side for most filaments
- Must re-level the plate when switching sides
- Not compatible with printers using larger 300x300mm beds
Good fit if
- You want to switch between textured and smooth finishes
- You print with high-temperature materials like Nylon or PC
- You use Bambu Lab printers with 257x257mm beds
Skip if
- You need a plate for 300x300mm printers
- You prefer a single-sided plate
- You want to avoid using glue sticks on smooth surfaces
Verdict: UniTak3D Double-Sided PEI Plate 257mm is a practical upgrade for Bambu Lab users who need both adhesion and finish options. It fits you if you print varied materials and want to avoid bending the spring steel sheet to remove parts.
Specifications side by side
| Spec | UniTak3D 257x257mm Double-Sided PEI Build Plate |
|---|---|
| Primary Material | Spring Steel |
| Dimensions | 257x257mm |
| Maximum Temperature | 300℃ |
| Build Surface Type | Smooth & Textured PEI |
| Build Plate Material | PEI, Spring Steel |
| Build Plate Size | 257x257mm |
| Surface Finish | Smooth, Textured |
| Size | for Bambu Lab A1/P2S/P1S/P1P/X1C/X1/X1E/X2D |
| Color | Double Sided Smooth&Textured |
| Model | Uni104A1P |
Frequently asked questions
Which Bambu Lab printers fit this 257x257mm plate?
This plate fits the Bambu Lab A1, P2S, P1S, P1P, X1, X1C, X1E, and X2D models. The dimensions match the build volume of these specific machines. You must verify your printer model before purchasing. Using it on a printer with a different bed size will not work correctly.
What is the model number for this PEI build plate?
The model number is Uni104A1P. This identifier helps you locate the exact product listing. It ensures you are getting the correct double-sided version. Always check this number against your printer compatibility list to avoid ordering the wrong size or finish.
How does the double-sided design help with printing?
It allows you to switch between textured and smooth finishes. One side provides strong adhesion for easier part removal. The other side offers a smoother surface for better top-layer aesthetics. You can print varied materials without needing multiple single-sided plates.
Is the PEI coating genuine powder?
Yes, the listing describes it as genuine PEI powder. This material choice defines the plate's durability and thermal behavior. The coating provides distinct surface finishes for different printing needs. It is designed to offer consistent adhesion and easy part release compared to standard sheets.
Can I use this plate with other brands?
The listing notes compatibility with certain Flashforge, Anycubic, and Elegoo printers. However, the primary design targets the 257x257mm Bambu Lab ecosystem. You must verify your machine matches one of the listed compatible models. Incorrect dimensions will prevent proper installation or printing.
What is the primary benefit of this upgrade?
It is a practical upgrade for users who need both adhesion and finish options. You can avoid bending the spring steel sheet to remove parts. The double-sided nature lets you choose the best surface for each print job. This saves time and reduces material waste.