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The GNH3D PEI build plate is 2 parts, a flexible steel platform coated with a PEI surface and a magnetic bottom sheet with adhesive on the back.

The magnetic bottom sheet is applied onto your heated bed, then place the steel platform with PEI surface on the top.


The maximum temperature for printing is 130℃ on the bed.

The recommended temperature of the heated bed is about 60℃ for PLA, you can print directly on the  PEI build plate without using any glue or other tools to help the model stick onto the sheet.

PETG prints on the PEI build plate at a temperature of 80-85℃.


Prints come off the surface easily when the heated bed temperature reaches room temperature. If the print is still stuck, gentle plate flexing will help remove it.


Printing PLA on PEI the print bed must be well leveled and free of grease and oils.

We recomend cleaning the print bed with 99% Isopropyl Alcohol

To improve adhesion, the print speed of the first layers can be reduced, the print bed temperature can be increased.


The GNH3D PEI bed will fit edge to edge on the Anycubic Kobra Max and similarly sized machines.

The print bed is double side polyetherimide (PEI) 1 side smooth, and 1 side textured.


ABS is not recomended for any PEI print beds.

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Kobra Max Double side PEI build plate

SKU: 0015
  • Spring steel flexplate Double side PEI 3M Magnetic base

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