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PEI spring steel plate - for Prusa CORE One L printers - smooth
The smooth PEI plate for Prusa CORE One L and CORE One L+ works well with PLA and most materials.
- Double-sided spring steel plate
- Smooth underside of prints and good adhesion of details
- Magnetic mounting in the heated bed
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Smooth PEI plate for Prusa CORE One L
The smooth PEI sheet for the Prusa CORE One L is a double-sided spring steel sheet that also fits the CORE One L+. It holds almost all materials well, and PLA best of all. The underside of the print comes out smooth, and even fine details adhere firmly to the surface.
The sheet is held by magnets in the heated bed, so you remove it together with the print and flex it to separate the model easily. Other variants are also available for the CORE One L: satin, textured, for PP materials and PA Nylon.

Smooth PEI plate for Prusa CORE One L
2
working sides with smooth PEI
PLA
material the plate works with especially well
CORE One L / L+
compatible Prusa printers

Botland is a reseller of Prusa 3D printers in Poland. Buying from us means original equipment from a warehouse inside the country and fast technical support. We also offer a professional service in Poland and original spare parts.
Is it the right choice for you?
A good choice if:
- You mainly print with PLA on a Prusa CORE One L
- You want a smooth, glossy underside on your prints
- You print small details that need to stick well to the plate
Consider another option if:
- You print a lot with PETG: consider the satin plate for CORE One L
- You print nylon: consider the PA Nylon plate for CORE One L
Frequently asked questions
Does this plate fit the standard CORE One printer?
No. The plate fits the Prusa CORE One L and CORE One L+. The CORE One and CORE One+ require a smaller plate.
Is the smooth PEI sheet suitable for printing with PETG?
Yes, but do not clean the sheet with isopropyl alcohol before printing, as PETG sticks very strongly to smooth PEI. If needed, use a separator.
Is the smooth PEI plate covered by the warranty?
Yes, but only for manufacturing or material defects. The manufacturer treats PEI plates as a consumable part that wears out over time, so scratches and other signs of use are not covered by the warranty.
Technical specifications
| Parameter | Value |
|---|---|
| Manufacturer | Prusa Research |
| Type | double-sided spring steel plate |
| Coating | smooth PEI |
| Compatibility | Prusa CORE One L, Prusa CORE One L+ |
| Mounting | magnets in the heated bed |
| Recommended materials | PLA; adhesion for almost all materials |
| Flexible filaments | with glue stick |
Useful links
Technical data according to the manufacturer (prusa3d.com), as of November 2026.
| Name | Value |
|---|---|
| Prusa - model | CORE One L |
| Width | 37 cm |
| Height | 35 cm |
| Depth | 2 cm |
| Weight | 0.65 kg |
The full delivery terms are on the page Delivery and payment.
30 days to return, without giving a reason
If the product does not meet your expectations, you have 30 days from receiving the parcel to withdraw from the contract. The product only has to be complete. The right of return belongs to consumers (a purchase unrelated to business activity).
Complaints
If the product turns out to be faulty, you can make a claim under the guarantee or the statutory warranty. We handle claims without delay, at the latest within 14 working days of receiving the report together with the goods.
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Instructions and documents
GPSR data
Product information
This product is a component intended for further assembly or prototyping. It is not a finished product within the meaning of the product safety regulations.
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PEI spring steel plate - for Prusa CORE One L printers - smooth
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