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UniTak3D 257x257mm Double-Sided PEI Build or UniTak3D 197 x 131mm Steel? Which UniTak3D Model to Buy

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You are comparing the unitak3d 257x257mm double sided pei build vs 197 x 131mm steel. Both items are replacement parts from UniTak3D. They serve different printer types. The first is a build plate for FDM printers. It uses PEI on steel. The second is an FEP film with a steel ring. It is for resin printers. You need the right part for your specific machine technology.

Key differences

AspectUniTak3D 257x257mm Double-Sided PEI Build PlateUniTak3D 197 x 131mm Steel Ring FEP Film
Printing TechnologyFDM (Fused Deposition Modeling)Resin (SLA/DLP)
Build Surface TypeSmooth and textured PEIFEP release film
Dimensions257x257mm197x131mm
Maximum Temperature300℃204℃
Compatible PrintersBambu Lab X2D/P2S/P1S/A1Photon Mono 2/Mono 4

Which one should you choose?

Choose UniTak3D 257x257mm Double-Sided PEI Build Plate if

  • You own a Bambu Lab FDM printer and need a new build plate.
  • You print with filaments like PLA, ABS, or Nylon.
  • You prefer a textured surface for better model adhesion.

Choose UniTak3D 197 x 131mm Steel Ring FEP Film if

  • You own a Phrozen Sonic Mini 8K or similar resin printer.
  • You need a replacement FEP film for your resin vat.
  • You require high transparency for UV light stability.

Verdict: Choose the PEI build plate if you use an FDM printer. Choose the FEP film if you use a resin printer. These parts are not interchangeable.

PEI Plate vs Steel FEP Ring

printing technology

Edge: Tie

You need to match the part to your printer type. The UniTak3D 257x257mm Double-Sided PEI Build Plate is designed for FDM printers. It works with models like the Bambu Lab A1, P1S, X1C, and X2D. This plate holds filament layers together. The UniTak3D 197 x 131mm Steel Ring FEP Film is for resin printers. It is made for the Photon Mono 2 and Photon Mono 4. This film holds liquid resin. You cannot use either part on the wrong printer type. They serve completely different manufacturing methods.

build surface

Edge: UniTak3D 257x257mm Double-Sided PEI Build Plate

The build surface defines how your object attaches. The PEI plate offers two sides. One side is textured for strong adhesion. It holds models firmly without glue. The other side is smooth. It gives a flat bottom finish. You can flip the plate to choose the finish. The FEP film has a single non-stick surface. It relies on chemical release properties. It allows the cured resin layer to peel away. The PEI plate requires a steel sheet base for heat. The FEP film is mounted in a steel ring. The plate provides physical grip. The film provides chemical release.

compatibility

Edge: UniTak3D 257x257mm Double-Sided PEI Build Plate

Check your printer model before buying. The PEI plate fits Bambu Lab printers. It supports the A1, P2S, P1P, P1S, X1, X1C, X1E, and X2D. It also fits some Flashforge and Anycubic models. The size is 257x257mm. The FEP film fits Phrozen printers. It is for the Photon Mono 2 and Photon Mono 4. The size is 197x131mm. You must ensure your printer matches the list. The PEI plate has more listed compatible brands. The FEP film is specific to the Phrozen Mono line. Using the wrong size will not work.

temperature resistance

Edge: UniTak3D 257x257mm Double-Sided PEI Build Plate

Heat handling differs between the two parts. The PEI plate has high heat resistance. The textured side withstands up to 300℃. The smooth side withstands up to 200℃. This allows printing with high-temperature materials like PC or Nylon. The FEP film resists up to 204℃. This is sufficient for resin curing. The PEI plate handles higher peak temperatures. This gives you more flexibility with engineering filaments. The FEP film temperature limit is fixed. It protects the resin vat from overheating. The plate manages bed heat for adhesion.

material removal

Edge: UniTak3D 257x257mm Double-Sided PEI Build Plate

How you remove the print varies. With the PEI plate, you wait for it to cool. The model releases from the textured side. You can also bend the steel sheet to pop the print off. The smooth side may need a glue stick for removal. The FEP film relies on peeling. The resin layer detaches from the film surface. The film is flexible. You do not bend the steel ring. The film releases the part by flexing. The PEI plate offers mechanical flexing of the steel. The FEP film offers optical peeling. The plate is better for easy removal of large prints.

Which UniTak3D part fits your printer

FDM printer owners needing better adhesion

Our pick: UniTak3D 257x257mm Double-Sided PEI Build Plate

You are using an FDM printer like the Bambu Lab A1 or X1C. This 257x257mm PEI build plate offers textured and smooth sides. The textured side provides strong adhesion without glue. It withstands temperatures up to 300℃. You can print with PLA, ABS, PETG, and Nylon. The steel base ensures durability during removal.

Resin printer users replacing worn films

Our pick: UniTak3D 197 x 131mm Steel Ring FEP Film

You own a Photon Mono 2 or Mono 4 resin printer. This 197x131mm FEP film fits your vat exactly. The steel ring allows for quick installation without cutting. It has over 95% light transmittance for stable UV exposure. It resists heat up to 204℃ and releases prints easily for thousands of cycles.

Users wanting versatile filament compatibility

Our pick: UniTak3D 257x257mm Double-Sided PEI Build Plate

You print with various materials including TPU and PC. The UniTak3D PEI plate supports high-temperature printing up to 300℃ on the textured side. The smooth side requires glue for most filaments except PLA. This flexibility lets you switch between materials easily. The 257x257mm size fits many popular FDM models.

The products compared

UniTak3D 257x257mm Double-Sided PEI Build Plate

Best for: Printers needing two surface 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 double-sided PEI coating. The textured side provides strong adhesion without glue, while the smooth side yields a flat finish. It withstands temperatures up to 300°C, supporting materials like PLA, ABS, and Nylon. You get two surfaces in one plate, fitting most 257x257mm printers like the Bambu Lab A1 or P1S.

Pros

  • 257x257mm size fits major 3D printers
  • Textured side offers superior adhesion
  • Smooth side creates flat bottom surfaces
  • Heat resistant up to 300°C
  • Compatible with PLA, ABS, PETG, and Nylon

Cons

  • Smooth side requires glue sticks for most filaments
  • Must re-level when switching sides
  • Cannot use strong chemical cleaners

Good fit if

  • You print with PLA, ABS, or Nylon
  • You want textured or smooth finishes
  • You use a 257x257mm printer

Skip if

  • You need automatic side switching
  • You prefer glue-free smooth printing
  • You use a smaller 197x131mm printer

Verdict: UniTak3D 257x257mm Double-Sided PEI Plate gives you two surfaces for the price of one. It suits users who print varied materials and want easy part removal on the textured side.

UniTak3D 197 x 131mm Steel Ring FEP Film

Best for: Photon Mono 2 and Mono 4 resin printers

Dimensions
197 * 131mm
Maximum Temperature
204 ℃
Release Film Type
FEP
Printing Technology
Resin

View on Amazon: UniTak3D 197 x 131mm Steel Ring FEP Film Affiliate link

This UniTak3D replacement FEP film is sized 197 by 131mm for Photon Mono 2 and Mono 4 printers. It features an integrated steel ring for quick installation without cutting. The film offers over 95% light transmittance for stable UV exposure and withstands temperatures up to 204°C. You get two pieces per pack. This accessory suits resin printer owners needing reliable release performance for high-precision prints.

Pros

  • 197 by 131mm dimensions fit Photon Mono 2 and Mono 4 models
  • Integrated steel ring allows quick installation without cutting
  • Over 95% light transmittance ensures stable UV lighting
  • Heat resistant up to 204°C with chemical resistance

Cons

  • Smaller build volume compared to 257x257mm options
  • Single-layer FEP film requires periodic replacement
  • Sold as a two-pack consumable rather than a permanent build plate

Good fit if

  • You own a Photon Mono 2 or Mono 4 10K resin printer
  • You prefer integrated steel rings for easier film changes
  • You need high transparency for consistent UV exposure

Skip if

  • You require a larger 257x257mm build area
  • You are looking for a permanent steel build plate
  • You need a double-sided PEI surface for easy model removal

Verdict: UniTak3D 197x131mm FEP Film is a practical replacement for Photon Mono users who value easy installation and high light transmittance. It fits resin printer owners who prioritize precise UV exposure and quick maintenance over large build volumes.

Specifications side by side

Spec UniTak3D 257x257mm Double-Sided PEI Build Plate UniTak3D 197 x 131mm Steel Ring FEP Film
Primary Material Spring Steel not stated
Dimensions 257x257mm 197 * 131mm
Maximum Temperature 300℃ 204 ℃
Build Surface Type Smooth & Textured PEI not stated
Release Film Type not stated FEP
Printing Technology not stated Resin
Build Plate Material PEI, Spring Steel not stated
Build Plate Size 257x257mm not stated
Surface Finish Smooth, Textured not stated
Size for Bambu Lab A1/P2S/P1S/P1P/X1C/X1/X1E/X2D not stated
Color Double Sided Smooth&Textured not stated
Model Uni104A1P not stated

Frequently asked questions

Is the UniTak3D 257x257mm plate compatible with my Bambu Lab printer?

Yes, this build plate fits a wide range of Bambu Lab models. It is compatible with the A1, P2S, P1S, P1P, X1C, X1, X1E, and X2D printers. You can use it as a direct replacement for your existing build surface. The plate is designed to work seamlessly with these specific machine models.

What surfaces does the double-sided PEI plate offer?

This plate provides two distinct surface finishes on one sheet. One side is smooth, while the other is textured. You get two different adhesion properties for the price of one item. The textured side helps with easy part removal, while the smooth side offers a different finish for your prints.

Which printer type uses the 197 x 131mm steel ring?

This item is designed for resin printers, specifically the Photon Mono 2 and Mono 4. It serves as a replacement FEP film for these machines. If you own a resin printer that requires this specific size, this steel ring with its FEP film is the correct part for your device.

Does the PEI plate require glue for adhesion?

No, the textured side of this PEI plate provides strong adhesion without needing glue. You can print directly on the surface. This feature simplifies your workflow by removing the need for additional adhesives. It is particularly useful if you print varied materials and want reliable part holding during the print.

What is the primary benefit of the FEP film in the steel ring?

The FEP film in this ring offers high light transmittance. This ensures precise UV exposure for your resin prints. It also allows for quick maintenance and easy installation. You get a practical replacement solution that prioritizes print quality and ease of use over large build volumes.

Can I use the PEI plate for different material types?

Yes, this plate suits users who print varied materials. The dual-sided design gives you flexibility in your printing process. You can switch between the smooth and textured surfaces depending on your material needs. This versatility makes it a practical choice for users who want multiple surface finishes from a single purchase.

See also