Introduction
The YOOPAI Double-Sided PEI + PEO Flexible Magnetic Build Plate is designed to enhance your 3D printing experience by providing excellent adhesion and effortless print removal. This build plate features two distinct printing surfaces: a diamond-textured PEO coating and a smooth PEI coating, offering versatility for various filament types and desired print finishes. Its flexible magnetic design simplifies the process of detaching finished prints.
1. Setup and Installation
The YOOPAI build plate system consists of two primary components: a flexible steel platform with dual PEI/PEO surfaces and a magnetic bottom sheet with an adhesive backing.
- Prepare the Printer Hotbed: Ensure the printer's hotbed surface is clean and free from any debris or residue.
- Attach the Magnetic Base: Carefully peel the protective film from the adhesive side of the magnetic bottom sheet. Align it precisely with your printer's hotbed and firmly press it down to ensure a secure, bubble-free attachment.
- Affix the PEI+PEO Sheet: Place the flexible steel PEI+PEO sheet onto the magnetic base. The magnetic attraction will hold it securely in place.
- Re-level the Print Bed: After installation, it is crucial to re-level your 3D printer's bed to ensure optimal print quality and proper first layer adhesion. Refer to your 3D printer's manual for specific bed leveling procedures.

2. Operating Instructions
2.1 Excellent Adhesion
The dual-sided design provides strong adhesion for various filaments without the need for glue or additional tools.
- PEO Surface: Ideal for printing PLA filaments, offering a unique diamond-textured finish on the bottom of your prints.
- PEI Surface: Suitable for a wider range of filaments including PLA, ABS, PETG, TPU, and Nylon, providing a smooth finish.

2.2 Effortless Print Removal
Once your print is complete and the heated bed has cooled down to room temperature, the flexible nature of the build plate allows for easy removal of models.
- Cool Down: Allow the print bed to cool completely after printing. This helps the print detach more easily.
- Detach the Plate: Gently lift the flexible steel plate from the magnetic base.
- Flex the Plate: Slightly flex the plate, and the printed model should pop off with minimal effort.

2.3 Dual-Sided Printing Benefits
The dual-sided design not only offers different surface textures but also extends the lifespan of your build plate, providing two distinct printing experiences from a single investment.

3. Maintenance
Proper maintenance ensures the longevity and performance of your build plate.
- Cleaning: Regularly clean both the PEO and PEI surfaces. For the PEI side, it is recommended to clean with isopropyl alcohol (IPA) between almost every use to maintain optimal adhesion.
- Handling: Avoid touching the printing surface with bare hands, as oils from your skin can reduce adhesion.
- Storage: Store the flexible plate flat when not in use to prevent warping.
4. Troubleshooting
4.1 Adhesion Issues
If you experience prints not adhering properly to the build plate:
- Re-level the Bed: Ensure your printer's bed is properly leveled. An incorrect Z-offset is a common cause of adhesion problems.
- Clean the Surface: Thoroughly clean the printing surface with isopropyl alcohol to remove any oils or residues.
- Adjust Temperatures: Verify that your hotbed and nozzle temperatures are appropriate for the filament type you are using.
- Consider Adhesives: For particularly stubborn filaments or if issues persist, a thin layer of glue stick or hairspray can be applied to the PEI surface to aid adhesion.
5. Compatibility
This 235x235mm build plate is compatible with a wide range of 3D printers. Please confirm your printer's build plate size before purchase.
Compatible Printer Models:
- Creality Ender-3, Ender-3 Pro, Ender-3 V2, Ender-3 S1, Ender 3 S1 Pro, Ender 3 Neo, Ender 3 V2 Neo, Ender-5, Ender-5 Pro
- Creality CR-20, CR-20 Pro
- Creality Ender 3 V3 SE, Ender 3 V3 KE, K1, K1C
- Voxelab Aquila, Voxelab Aquila C1, Voxelab Aquila C2
- Other similarly-sized FDM 3D printers (235x235mm)

6. Product Specifications
| Feature | Detail |
|---|---|
| Size | 235 x 235 mm (9.25 x 9.25 inches) |
| Material | Alloy Steel |
| Surface Coatings | Diamond-textured PEO (Black), Smooth PEI (Gold) |
| Model Number | PEI+PEO-235-BK |
| Included Components | Flexible Steel Platform, Magnetic Bottom Sheet with Adhesive Backing |

7. Warranty and Support
This YOOPAI product comes with a 180 Days Garantie (180-day warranty) from the date of purchase. For any product inquiries, technical assistance, or warranty claims, please contact YOOPAI customer support through the official brand store or your point of purchase.
Visit the YOOPAI Store for more information and support.