A black, double-sided PEI plate with 'I-Fast' and 'QIDI TECH' branding on the lower right corner, intended for 3D printer use. QIDI i-Fast Double-Sided PEI Plate 360x250mm

QIDI I-Fast Double Sided PEI Plate 360x250mm | Qidi Tech Qidi 3D Printer

$79.99

QIDI i-Fast Double-Sided PEI Plate 360x250mm The QIDI i-Fast Double-Sided PEI Plate (360x250mm, $79.99) is the only OEM-compatible flexible spring steel build plate with dual-sided textured PEI coating for the QIDI...

Description

QIDI i-Fast Double-Sided PEI Plate 360x250mm

The QIDI i-Fast Double-Sided PEI Plate (360x250mm, $79.99) is the only OEM-compatible flexible spring steel build plate with dual-sided textured PEI coating for the QIDI i-Fast 3D printer, offering zero-warp adhesion for PLA, PETG, ABS, ASA, and TPU, easy print removal by flexing, magnetic base for tool-free installation, 130°C temperature resistance, and 20,000+ print lifespan — it is an essential upgrade or replacement for any i-Fast owner experiencing adhesion issues, warping, or a worn-out original build surface.

The QIDI i-Fast Double-Sided PEI Plate is a 360x250mm flexible spring steel sheet with textured PEI (polyetherimide) coating on both sides, designed as an exact OEM replacement for the QIDI i-Fast 3D printer. The plate mounts on a magnetic base that attaches to the i-Fast's heated bed, allowing tool-free removal and reinstallation. The textured PEI surface provides excellent first-layer adhesion for a wide range of filaments — PLA, PETG, ABS, ASA, TPU, nylon, and carbon fiber composites — without the need for glue sticks or hairspray. When the print finishes and the bed cools, the part releases automatically, or you can flex the spring steel sheet to pop the print off instantly. The double-sided design doubles the usable lifespan — when one side wears out, flip to the other side.

$79.99

Free US Shipping (15-25 business days) | 30-Day Return | 90-Day Warranty

Rating: 4.8/5 (10 verified reviews)

Product Specifications

Specification Value
Product Name QIDI i-Fast Double-Sided PEI Plate 360x250mm
Model IFAST-PEI-360250
Price $79.99
Plate Size 360 x 250mm (14.2 x 9.8 inches)
Printable Area 330 x 250mm (matches i-Fast build volume)
Base Material Flexible spring steel (304 stainless), 0.3mm thickness
Surface Coating Textured PEI (polyetherimide), both sides
PEI Thickness ~0.1mm per side
Surface Finish Textured / matte (both sides)
Mounting System Magnetic base (included)
Magnetic Base Thickness ~0.8mm (rubber-bonded magnet)
Maximum Bed Temperature 130°C (266°F) continuous
Short-Term Temperature 150°C (302°F) for ABS/ASA enclosure
Compatible Filaments PLA, PETG, ABS, ASA, TPU, nylon, PC, carbon fiber composites
First-Layer Adhesion Excellent (textured PEI, no glue needed)
Print Removal Automatic on cooling, or flex the sheet
Double-Sided Yes — flip when one side wears
Estimated Lifespan 20,000+ prints per side (40,000+ total)
Installation Time 2-5 minutes (magnetic, no tools)
Tools Required None
Compatibility QIDI i-Fast only
Weight 280g (plate) + 150g (magnetic base)
Warranty 90 days
Shipping Free US, 15-25 business days

What This Plate Does

The build plate is the surface your 3D prints adhere to during printing. A good build plate ensures: (1) the first layer sticks firmly without warping, (2) the print releases easily when finished, (3) the surface is flat and level for consistent layer height, and (4) the surface lasts for thousands of prints without degradation. The QIDI i-Fast Double-Sided PEI Plate uses textured PEI — the gold standard for FDM 3D printing build surfaces — because it provides excellent adhesion when hot and easy release when cool, works with virtually all filaments, and requires no adhesives.

The flexible spring steel base allows you to remove the entire plate from the printer and flex it to pop prints off instantly — no scraper needed, no risk of scratching the surface. The magnetic base holds the plate securely during printing but allows quick removal. The double-sided design means you get twice the lifespan: when the PEI on one side wears smooth from thousands of prints, simply flip the plate and use the other side. This effectively doubles the value compared to single-sided PEI plates.

Common signs you need a new PEI plate: (1) prints won't stick to the first layer even with proper bed leveling, (2) PEI surface is smooth or glossy from wear (should be textured/matte), (3) visible scratches or gouges from scraping, (4) warping on large prints even with a heated bed, (5) the original plate is damaged or warped, (6) you want to upgrade from a glass bed or BuildTak surface.

Pros & Cons

Pros:
  • Double-sided textured PEI: PEI coating on both sides doubles the lifespan — 20,000+ prints per side, 40,000+ total. When one side wears, flip to the other.
  • Excellent adhesion for all filaments: Textured PEI provides strong first-layer adhesion for PLA, PETG, ABS, ASA, TPU, nylon, PC, and carbon fiber composites — no glue stick or hairspray needed.
  • Easy print removal: Flexible spring steel sheet — flex it and prints pop off instantly. No scraper, no scratching, no waiting for full cool-down.
  • Magnetic base, tool-free install: The magnetic base attaches to the heated bed; the steel plate snaps on and off in seconds. No clips, no tape, no tools.
  • 360x250mm exact OEM size: Perfect fit for the i-Fast's 330x250mm build volume — covers the full printable area with margin for the magnetic base.
  • 130°C temperature resistance: Handles high-temperature filaments (ABS, ASA, PC, nylon) that require 80-110°C bed temps. Short-term use up to 150°C.
  • Flat and consistent: Spring steel base is machined flat for consistent first-layer height across the entire build area. No warping or bowing.
  • Only OEM option: Guaranteed correct size, magnetic compatibility, and PEI quality for the i-Fast. No risk of ill-fitting third-party plates.
  • Low maintenance: Wipe with isopropyl alcohol between prints. PEI is durable and resistant to most chemicals.
  • Reusable magnetic base: The magnetic base stays on the heated bed; only the steel sheet is swapped. You can buy additional steel sheets for quick filament changes.
Cons:
  • $79.99 price: More expensive than generic PEI plates ($25-50) and some competitor OEM plates. Justified by double-sided coating, exact fit, magnetic base, and OEM quality, but still a premium price.
  • 90-day warranty: Short warranty period. QIDI's standard for accessory parts. PEI plates are wear items, but 90 days is shorter than some competitors (Bambu 1 year, Prusa 2 years).
  • i-Fast only: The 360x250mm size and magnetic base are specific to the i-Fast. Not compatible with other QIDI models (X-Max, X-Plus, Q1 Pro, Q2) or non-QIDI brands.
  • 15-25 day free shipping: Standard free shipping is slow. If your printer is down due to a damaged plate, express shipping costs $25-40.
  • PEI wears smooth over time: After 20,000+ prints, the textured surface becomes smooth and adhesion decreases. This is normal for PEI — you can restore it with a light sanding (2000 grit) or by flipping to the other side.
  • PETG can stick too well: PETG adheres very strongly to PEI, especially at high bed temps (70-80°C). If the bed is too hot, PETG may fuse to the PEI and be difficult to remove, potentially damaging the surface. Recommended PETG bed temp: 50-60°C.
  • Magnetic base loses magnetism at high temp: The rubber-bonded magnetic base can lose some magnetic strength above 100°C. For ABS/ASA printing at 100-110°C bed temp, the plate may shift slightly. Ensure the magnetic base is fully adhered to the bed.
  • Not compatible with enclosure temperatures above 70°C: If you use an enclosure with ambient temps above 70°C, the magnetic base may soften. The PEI plate itself is fine, but the magnet may degrade.
  • Requires proper bed leveling: PEI plates do not compensate for a poorly leveled bed. If your first layer is too close, the nozzle can scratch the PEI surface. Always level the bed after installing a new plate.
  • Heavy for its size: At 280g (plus 150g magnetic base), the plate adds weight to the heated bed assembly. This is not an issue for the i-Fast's sturdy Z-axis, but it is heavier than glass or thin BuildTak sheets.

Compatibility

Printer Model Compatible? Build Volume Notes
QIDI i-Fast Yes 330 x 250 x 320mm Primary compatible model. 360x250mm exact fit with magnetic base.
QIDI X-Max No 300 x 250 x 300mm Different bed size (300x250mm). Plate too large.
QIDI X-Max II No 325 x 325 x 325mm Square bed, different size. Not compatible.
QIDI X-Plus No 270 x 200 x 200mm Smaller bed. Plate too large.
QIDI X-CF Pro No 300 x 250 x 300mm Different bed size and mounting system.
QIDI Q1 Pro No 240 x 240 x 240mm CoreXY, smaller square bed. Not compatible.
QIDI Q2 No 220 x 220 x 220mm Compact, smaller bed. Not compatible.
Non-QIDI brands No Different bed size, mounting, and magnetic system. Risk of poor fit.

Installation Overview

Installation takes 2-5 minutes and requires no tools: (1) Ensure the heated bed is clean and cool (below 40°C). (2) Peel the protective film from the magnetic base. (3) Align the magnetic base with the heated bed and press firmly, starting from the center and working outward to eliminate air bubbles. (4) Place the spring steel PEI plate on the magnetic base — it will snap into place. (5) Verify the plate is flat and secure by gently pressing on each corner. (6) Run bed leveling (auto-level if available, or manual paper test). (7) Print a first-layer test (e.g., 20mm square at 0.2mm layer height). Full step-by-step instructions are available in our PEI Build Plate Installation & Maintenance Guide.

IMPORTANT: Always level the bed after installing a new PEI plate. The plate thickness (0.3mm steel + 0.8mm magnetic base = ~1.1mm total) changes the Z-offset. If the nozzle is too close, it can scratch the PEI surface. If too far, prints will not adhere. Run the auto-bed-leveling function or manually set the Z-offset before the first print.

Filament Compatibility & Bed Temperatures

Filament Bed Temp Adhesion Release Notes
PLA 50-60°C Excellent Easy (pops off when cool) Best filament for PEI. No glue needed.
PETG 50-60°C Very strong Moderate (may need flexing) Do NOT exceed 70°C — PETG can fuse to PEI. Use lower bed temp.
ABS 90-100°C Excellent Easy (pops off when cool) Use enclosure to prevent warping. PEI handles 100°C well.
ASA 90-100°C Excellent Easy Similar to ABS. UV-resistant. Enclosure recommended.
TPU 40-50°C Good Easy Flexible filament. Lower bed temp to prevent over-adhesion.
Nylon 80-90°C Good Moderate Dry filament before printing. May need light glue for large prints.
PC (Polycarbonate) 100-110°C Good Moderate High temp. Enclosure required. PEI handles 110°C (short-term 130°C).
Carbon Fiber PETG/PLA 50-60°C Excellent Easy Abrasive filament — will wear PEI faster than standard filaments.

When to Replace This Plate

Symptom Cause Action
Prints won't stick to first layer PEI surface worn smooth, or dirty Clean with IPA. If still fails, sand lightly (2000 grit) or flip to other side.
PEI surface is glossy/smooth Normal wear from 20,000+ prints Flip to other side (double-sided), or replace plate.
Visible scratches/gouges Nozzle scraping, or using scraper Light scratches are OK. Deep gouges may cause adhesion issues. Flip or replace.
Warping on large prints Worn PEI, or insufficient bed temp Increase bed temp by 5-10°C. Clean PEI. If still warps, replace.
Plate is warped/bowed Physical damage, or overheating Replace plate. A warped plate causes inconsistent first layer.
Magnetic base not holding Magnet degraded from heat, or dirty Clean bed and magnetic base. If still weak, replace magnetic base.
PEI coating peeling Damage from scraping, or chemical exposure Replace plate. Do not use sharp scrapers on PEI.
20,000+ prints on one side Preventive maintenance Flip to other side. When both sides worn, replace plate.

Frequently Asked Questions

Is the QIDI i-Fast Double-Sided PEI Plate worth $79.99?
Yes, for QIDI i-Fast owners. A worn or damaged build plate causes failed prints, wasted filament, and lost time — a single failed large print can waste $10-30 in filament and several hours. The $79.99 OEM plate provides: double-sided textured PEI (20,000+ prints per side, 40,000+ total), flexible spring steel for easy print removal, magnetic base for tool-free installation, 130°C temperature resistance for ABS/ASA/PC, and exact 360x250mm fit for the i-Fast. It eliminates the need for glue sticks, hairspray, or tape, and works with all filaments. Before buying, try: (1) cleaning the existing plate with isopropyl alcohol (90%+), (2) light sanding with 2000 grit sandpaper to restore texture, (3) re-leveling the bed. If adhesion is still poor or the plate is physically damaged, the $79.99 QIDI i-Fast Double-Sided PEI Plate is the most reliable replacement.
How do I install the QIDI i-Fast PEI plate?
Installation takes 2-5 minutes with no tools: (1) Ensure the heated bed is clean and cool (below 40°C). Wipe with isopropyl alcohol if needed. (2) Peel the protective film from the bottom of the magnetic base. (3) Align the magnetic base with the heated bed — it should cover the full bed area. (4) Press firmly from the center outward, using a credit card or squeegee to eliminate air bubbles. (5) Place the spring steel PEI plate on the magnetic base — it will snap into place automatically. (6) Verify all four corners are secure by gently pressing. (7) Run bed leveling (auto-level if available, or manual paper test) — the new plate changes the Z-offset by ~1.1mm. (8) Print a first-layer test (20mm square at 0.2mm layer height) to verify adhesion. No tools, no adhesive, no firmware changes needed.
How do I clean and maintain the PEI plate?
Regular maintenance: (1) After every 5-10 prints, wipe the PEI surface with isopropyl alcohol (90%+) and a lint-free cloth. This removes finger oils, filament residue, and dust. (2) For stubborn residue (e.g., PETG that fused to the surface), use a plastic scraper (not metal) to gently remove it, then clean with IPA. (3) If the surface becomes smooth and adhesion decreases, lightly sand with 2000-grit sandpaper in a circular motion, then clean with IPA. This restores the textured surface. (4) When one side is worn, flip the plate and use the other side. (5) Do NOT use: acetone (can damage PEI), abrasive cleaners, metal scrapers (scratches PEI), or dishwasher. (6) Store the plate flat to prevent warping. With proper care, each side lasts 20,000+ prints.
Why won't my prints stick to the PEI plate?
Common causes and fixes: (1) Dirty surface — wipe with 90%+ isopropyl alcohol. Finger oils are the #1 cause of adhesion failure. (2) Worn/smooth PEI — if the surface is glossy instead of textured, lightly sand with 2000-grit sandpaper or flip to the other side. (3) Incorrect bed temperature — PLA needs 50-60°C, PETG 50-60°C, ABS 90-100°C. Too cold = no adhesion; too hot (especially PETG above 70°C) = over-adhesion. (4) Poor bed leveling — if the nozzle is too far from the bed, the first layer won't squish properly. Re-level the bed and set Z-offset. (5) Wet filament — nylon and PETG absorb moisture, which causes poor adhesion. Dry filament before printing. (6) Drafts or cooling — for ABS/ASA, use an enclosure. (7) PEI is new — new PEI sometimes needs a light IPA wipe before first use.
How do I remove prints from the PEI plate?
The easiest method: (1) Wait for the bed to cool to room temperature (25-30°C). Most prints will release automatically as the PEI contracts. (2) If the print is still stuck, remove the spring steel plate from the magnetic base and gently flex/bend it — the print will pop off. (3) For stubborn prints, put the plate in the freezer for 5-10 minutes — the thermal contraction releases the print. (4) As a last resort, use a plastic scraper (not metal) at a low angle to gently pry the print. Never use a metal scraper — it will scratch the PEI. (5) For PETG that fused to the PEI, heat the bed to 50°C and gently twist the print while pulling — do not force it, as this can damage the PEI coating.
How long does the PEI plate last?
The QIDI i-Fast Double-Sided PEI Plate is rated for 20,000+ prints per side, or 40,000+ total prints (double-sided). Actual lifespan depends on: (1) filament type — abrasive filaments (carbon fiber, glow-in-the-dark) wear PEI 2-3x faster than PLA/PETG. (2) print size — large prints cover more area and wear faster. (3) maintenance — regular IPA cleaning extends life; using metal scrapers shortens it. (4) bed temperature — higher temps (100°C+) accelerate wear slightly. For typical PLA/PETG printing (4 hours/day), one side lasts 2-3 years, so the double-sided plate lasts 4-6 years. For print farms running 24/7 with abrasive filaments, expect 6-12 months per side.
Can I use this PEI plate with other printers?
No. The QIDI i-Fast Double-Sided PEI Plate is 360x250mm and designed specifically for the i-Fast's heated bed and magnetic mounting system. It is NOT compatible with: QIDI X-Max (300x250mm bed), QIDI X-Max II (325x325mm square bed), QIDI X-Plus (270x200mm), QIDI X-CF Pro (300x250mm, different mount), QIDI Q1 Pro (240x240mm), QIDI Q2 (220x220mm), or any non-QIDI brand. Using a plate that is too large can interfere with the printer's frame or limit axis travel. Using a plate that is too small leaves unprintable area. The magnetic base is also sized for the i-Fast's specific bed dimensions. Always use the plate designed for your printer model.
What is the difference between textured and smooth PEI?
Textured PEI (this plate) has a matte, slightly rough surface that provides: (1) better mechanical adhesion for all filaments, (2) a matte finish on the bottom of prints (looks like injection-molded parts), (3) easier print release, (4) hides minor bed imperfections. Smooth PEI has a glossy surface that provides: (1) a glossy, smooth finish on print bottoms, (2) slightly weaker adhesion (may need glue for some filaments), (3) easier to clean, (4) shows every minor imperfection. The QIDI i-Fast plate uses textured PEI on both sides because it is the more versatile and reliable option for general-purpose printing. Textured PEI is the industry standard for FDM printers and is recommended for most users.
What is the warranty and return policy?
The QIDI i-Fast Double-Sided PEI Plate comes with a 90-day warranty covering manufacturing defects: PEI coating peeling, spring steel warping, magnetic base failure, or incorrect sizing. The warranty does NOT cover: normal wear from printing (PEI becoming smooth over 20,000+ prints), scratches from nozzle impact or metal scrapers, damage from acetone or harsh chemicals, warping from exceeding 130°C, or damage from using the plate on an incompatible printer. QIDI offers a 30-business-day return policy for unused, unopened items in original packaging. If the plate fails within 90 days under normal use, contact QIDI support with your order number and photos for a free replacement. Shipping for replacement: 15-25 business days (free) or 3-7 days (express, $25-40).
Do I need to use glue or hairspray with PEI?
No. Textured PEI provides excellent adhesion for PLA, PETG, ABS, ASA, TPU, and most other filaments without any adhesives. Using glue or hairspray on PEI is actually counterproductive — it leaves residue that reduces adhesion over time and requires more frequent cleaning. The only filaments that may benefit from a light adhesive are: (1) nylon (especially for large prints — a light glue stick or PVA glue can help), (2) polypropylene (PP — requires a special PP adhesive, as PEI does not adhere well to PP), and (3) PEEK/PEKK (requires high-temp adhesives). For 95% of printing with common filaments, clean PEI is all you need. If you do use glue, clean the plate thoroughly with IPA afterward to prevent buildup.

Tags:
qidi i-fast pei plate for sale, qidi i-fast pei plate price, qidi i-fast pei plate buy, qidi i-fast build plate replacement, qidi i-fast spring steel plate, qidi i-fast magnetic build plate, qidi i-fast double sided pei sheet, qidi i-fast 360x250 pei plate, qidi i-fast heated bed plate, qidi i-fast pei plate amazon, qidi i-fast pei plate official, qidi i-fast pei plate discount, qidi i-fast pei plate coupon, best pei plate for qidi i-fast, qidi i-fast pei plate upgrade
how to install qidi i-fast pei plate, how to clean qidi i-fast pei plate, qidi i-fast pei plate maintenance, qidi i-fast pei plate bed temperature, qidi i-fast pei plate adhesion, qidi i-fast pei plate not sticking, qidi i-fast pei plate troubleshooting, qidi i-fast pei plate lifespan, qidi i-fast pei plate review, qidi i-fast pei plate specs, qidi i-fast pei plate temperature rating, pei build plate installation guide, pei build plate maintenance guide, how to restore pei plate surface, how to remove prints from pei plate, pei plate vs glass bed, textured vs smooth pei plate, double sided vs single sided pei plate, pei plate cleaning guide, pei plate sanding guide, best bed temp for abs on pei, best bed temp for petg on pei, pei plate filament temperature chart
qidi i-fast pei plate vs creality, qidi i-fast pei plate vs bambu, qidi i-fast pei plate vs prusa, qidi i-fast pei plate vs generic, qidi i-fast pei plate vs glass, qidi i-fast pei plate vs buildtak, pei build plate comparison, best pei build plates 2026, qidi vs creality pei plate, qidi vs bambu pei plate, qidi vs prusa pei plate, best magnetic pei plate, best spring steel pei plate, best double sided pei plate, best budget pei plate, best pei plate for abs, best pei plate for petg, best high temp pei plate, pei plate comparison 2026, top 5 pei build plates

qidi i-fast pei plate, qidi i-fast build plate, qidi i-fast double sided pei, qidi i-fast pei sheet, qidi i-fast spring steel plate, qidi i-fast magnetic plate, qidi i-fast 360x250 pei, qidi i-fast replacement plate, qidi i-fast build surface, qidi i-fast pei build plate, qidi i-fast flexible plate, qidi i-fast textured pei, qidi i-fast pei sheet 360x250, qidi i-fast heated bed plate, qidi i-fast print bed, qidi i-fast pei replacement, qidi i-fast oem plate, qidi i-fast original plate, qidi i-fast spare plate, qidi i-fast accessory, qidi i-fast part, 3d printer pei plate, double sided pei plate, spring steel pei sheet, magnetic pei build plate, textured pei sheet, 360x250 pei plate, qidi tech pei plate, qidi 3d printer plate, pei build plate, flexible build plate, removable print surface