Description
🧲 Get flawless first layers and easy print removal with this smooth PEI build surface – now in 300×300mm for larger beds!
This 300mm x 300mm PEI-coated spring steel sheet comes with a self-adhesive magnetic base, making it the perfect upgrade for printers like the CR-10, Sidewinder X2, and other large-format 3D printers. The smooth PEI finish provides reliable adhesion for PLA, PETG, ABS, and TPU, while allowing your finished prints to pop off with a gentle flex.
✅ Smooth PEI finish – for clean bottoms and great first-layer adhesion
✅ Flexible spring steel – bend to release prints without tools
✅ 300mm x 300mm size – perfect for larger heated beds
✅ Adhesive magnetic base included – sticks securely to your aluminum bed
✅ Works with all common filaments – PLA, PETG, TPU, ABS, etc.
Made with real Ultem1000
Recommended Bed Temps: PLA – 60°C
HTPLA – 60°C
PETG – 70°C – 80°
ABS – 100°C










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