APPLICABLE : This flexible steel plate is suitable for 3D printers with a platform size of 310x310mm, for Ender 3, for Ender 3 V2, for Ender 3 Pro, for Lab printer. DOUBLE SIDED PLATE: One side is rhomboid pattern smooth PEO film, and the other side is a PEI textured surface, the adhesion between the model and the printed piece is strong and will not deform.