Check price on Amazon — ELEGOO Rapid PETG 1.75mm (2KG)
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Blazing-fast, dependable prints—without babysitting your machine
If you’ve ever stared at a progress bar crawling along while a weekend build stretched into Monday, you’ll appreciate what a fast, reliable filament can do for your sanity. That’s exactly where the ELEGOO Rapid PETG Filament 1.75mm Black 2KG shines. Designed for high-speed FDM 3D printers (and perfectly happy on regular ones), this filament is built to run anywhere from 30 mm/s all the way up to 600 mm/s—without turning your parts into spaghetti.
Whether you’re cranking out functional brackets, camera mounts, enclosures, or translucent light-diffusing parts, ELEGOO’s Rapid PETG aims to solve common headaches: slow print times and tricky tuning. Let’s dive into why it’s become a go-to option for makers who value speed and quality in equal measure.
Why ELEGOO Rapid PETG stands out
- High-speed performance: 30–600 mm/s capable
- Dimensional accuracy: +/- 0.02 mm
- Better light transmittance for diffusion parts
- Strong, tough, and easy to print
- Low odor, low shrinkage, and less warping (vs. PLA)
- Neatly wound to reduce tangles and snaps
- Two 1kg cardboard spools (Black), 2KG total
- Fits most FDM 3D printers (1.75mm)
Speed and flow you can trust
ELEGOO Rapid PETG melts quickly and flows smoothly, so you can push feed rates higher without starving the nozzle. If you’re running a high-speed machine—think Neptune 4/Pro/Plus/Max, Creality K1 series, Anycubic Kobra 2 series, or similar—you’ll appreciate how this filament keeps up with aggressive acceleration and jerk settings. On standard bedslingers like the Ender 3 V2, it’s just as happy at more traditional speeds, giving you crisp layers and strong parts.
Tough like ABS, easy like PLA
PETG has always been the sweet spot for functional prints, blending the best of PLA and ABS. ELEGOO’s Rapid PETG takes that balance further. It’s durable and highly impact-resistant—perfect for everyday items that get handled, flexed, or tapped by a screwdriver more often than they should. Yet it’s approachable to print, with settings and temperatures that won’t intimidate if you’re moving up from PLA. Plus, it’s odorless, which is great for home and classroom environments.
Better light transmittance for creative builds
Working on LED projects, signage, or enclosures where you want glow without glare? Rapid PETG’s light transmittance makes it a smart pick for light-diffusing parts. Compared to PLA, it’s designed for less warping and lower shrinkage, so you can spend more time snapping parts together and less time wrestling with a heat gun.
Precision that shows up in your parts
With a dimensional accuracy of +/- 0.02 mm, Rapid PETG keeps tolerances tight so your gears mesh, threads bite, and press-fits lock in as intended. That consistency pays off in multi-part assemblies where even a small deviation can throw off the whole project.
Specs and compatibility
- Material: PETG (Polyethylene Terephthalate Glycol)
- Diameter: 1.75 mm
- Accuracy: +/- 0.02 mm
- Color: Black
- Weight: 2KG total (2 x 1KG cardboard spools)
- Printer types: Most FDM printers
- Great with: ELEGOO Neptune 4 series, Creality K1 series, Ender 3 V2, Anycubic Kobra 2 series, M5/M5C, and more
Real-world scenarios where it excels
Picture this: it’s Friday night, and you promised a friend a custom GoPro mount for a weekend hike. With Rapid PETG, you can crank up the speed, finish the print before midnight, and still get the toughness you need for outdoor use. Or maybe you’re prototyping a small electronics enclosure for a client—dimensional accuracy keeps everything aligned, while PETG’s impact resistance protects what’s inside.
For makers building lamps, cosplay props, and signage, the improved light transmittance can give you that soft diffusion that turns “good” into “wow.” And because the spools are neatly wound, those long overnight prints are less nerve-wracking.
Tips for dialing in ELEGOO Rapid PETG
- Dry before use: PETG absorbs moisture. If you hear sizzles or see stringing, dry the spool at low heat (40–55°C) for a few hours. ELEGOO recommends using it soon after opening and fully drying before reuse.
- Start with moderate speeds: Even though it can hit 600 mm/s on the right machine, begin around your printer’s comfortable PETG speed and ramp up.
- Bed adhesion: Use a clean PEI sheet, glue stick, or textured plate. 70–85°C bed temps often work well for PETG.
- Cooling: PETG generally prefers moderate cooling. Too much fan can reduce layer bonding; adjust per your part’s needs.
- Z-hop and retraction: PETG can string more than PLA. Fine-tune retraction distance/speed and consider a small Z-hop for clean travel moves.
Price and value
At the time of writing, the ELEGOO Rapid PETG Filament 1.75mm Black 2KG is listed at $22.08 with a $3.90 (15%) discount. For two 1KG spools designed for high-speed printing, that’s excellent value—especially if you’re regularly producing functional parts or need a dependable, fast material on hand. As always, prices and discounts can change, so check the current deal below.
Bottom line
If you’ve been hunting for a PETG that keeps up with high-speed machines without sacrificing strength, surface quality, or sanity, ELEGOO’s Rapid PETG is a standout. It prints fast and clean, handles real-world abuse, and arrives on neatly wound spools that help prevent mid-job headaches. From rapid prototypes to daily-use parts and light-diffusing builds, it’s a versatile, budget-friendly pick that earns a permanent spot on the filament shelf.
Grab ELEGOO Rapid PETG 1.75mm (2KG) on Amazon
Disclosure: I may earn a small commission from qualifying purchases at no extra cost to you.