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ELEGOO Rapid PLA Plus Filament Review: Faster, tougher PLA+ for high-speed printing

ELEGOO Rapid PLA Plus Filament 1.75mm 4KG Black & White, PLA+ 3D Printer Filament Bundle Up to 600 mm/s High Speed Printing, Dimensional Accuracy +/- 0.02 mm, 4pcs 1kg Spool(2.2lbs)
4.7
[Ultra-Fast Printing]  Up to 600mm/s melting and flow for rapid print speed without quality loss.
[Enhanced Strength]  Higher impact resistance than standard PLA reduces brittleness and cracking.
[Neatly Wound Spools]  Mechanical winding and inspection minimize tangles, snaps, and breakage.
[Precision Diameter]  1.75mm filament with ±0.02mm tolerance ensures consistent feeding and accuracy.
[Wide Printer Compatibility]  Compatible with most regular and high-speed printers including Ender, Kobra, Neptune.
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A 3D printing filament engineered to let high-speed machines complete projects quickly while keeping tight tolerances. ELEGOO Rapid PLA Plus Filament brings enhanced strength and smooth flow, helping makers avoid brittle prints and lengthy reprints. Is the speed and dimensional accuracy right for your workflow?

⚡ At a Glance
  • Printing Performance: Rapid melting and smooth flow enable high-speed printing with consistent extrusion
  • Best for: Hobbyists and makers using regular or high-speed 3D printers who value faster prototypes
  • Not ideal for: Projects that require specialised materials such as flexible or high-temperature filaments

Rapid PLA+ designed for high-speed printing with precise diameter control. Enhanced impact resistance reduces brittleness for functional parts.


Faster prints, thanks to rapid melting and improved fluidity

Enhanced fluidity allows the filament to melt and flow more smoothly, supporting speeds reported up to 600mm/s. The formulation and consistent diameter reduce pressure variations in the hot end for steadier extrusion.

Complete prototypes and test pieces far quicker on compatible machines, without obvious loss of print detail. Shorter print cycles help iterate designs more rapidly.

Stronger, more durable parts, with higher impact resistance

PLA Plus chemistry increases toughness compared with regular PLA, improving resistance to brittleness and cracking under load. That results from modified polymer blends that absorb more impact before failure.

Parts intended for functional testing or light-duty end use hold up better to knocks and handling. Fewer broken prints mean less rework and wasted filament.

Reliable feeding, with precise diameter control and neat winding

Manufacturing tolerances keep the 1.75mm diameter within +/- 0.02mm, and mechanical winding plus manual inspection reduces crossovers and tangles on the spool. Consistent dimensions lower the chance of extrusion hiccups.

Smooth, predictable filament feeding reduces jams and failed prints, improving first-layer success and lowering downtime. Neat spools are easier to load and manage on the bench.

✨ The 4 Key Reasons for ELEGOO Rapid PLA Plus Filament
  1. 600mm/s compatibility - Enables high-speed printing workflows on compatible machines
  2. Diameter tolerance +/-0.02mm - Ensures consistent extrusion for accurate layers
  3. Enhanced impact strength - Reduces brittle failures for functional prototypes
  4. Full mechanical winding - Lowers tangles and filament feeding interruptions
📋 Technical Details at a Glance
  • Material: PLA+
  • Diameter: 1.75mm
  • Tolerance: +/- 0.02mm
  • Spool set: 4 x 1kg spools
  • Colours: Black and White
❓ Frequently Asked Questions

Q: Will this filament work with my printer?

A: Rapid PLA Plus filament is designed to fit most regular and high-speed 3D printers, and lists compatibility with models such as Neptune 4 series, K1 series, Ender 3 series, Kobra series, and Adventurer series.

Q: How fast can the filament be printed?

A: Enhanced fluidity supports printing at speeds up to 600mm/s, allowing faster prototypes on compatible machines.

Q: How consistent is the filament diameter?

A: Diameter is 1.75mm with an accuracy of +/- 0.02mm, which helps ensure smooth and consistent feeding during prints.

🏆 Our Verdict

Suitable for makers and small workshops that use regular or high-speed 3D printers and need quicker, tougher prints. The combination of high-speed capability, controlled diameter tolerance, and enhanced toughness makes it well suited to rapid prototyping and functional parts. Buyers seeking reduced failed prints and reliable feeding will find long-term value through less waste and faster iteration.