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Thank you for coming to our shop. We are committed to developing 3D printer accessories that can be used on all 3D printers. We have 3 main product lines: NF Extruders, NF Hotends and FLY Motherboards and Electronics. We hope our products will bring you better overall experience. If you have any ideas (products, use, sales), please contact us. We look forward to hearing from you.
1Description
Zero Failed Prints: The Complete Filament Safety System
This all-in-one set combines LLL Plus Filament Buffer and Tangle Guard CNC Metal Cutter Module, creating a professional remote feeding and anti-malfunction solution for FDM 3D printers. It unites electric feeding, break detection and passive anti-tangle cutting to tackle nearly all common filament feeding issues.
- LLL Plus Filament Buffer | Core Stable Feeding Module
Designed exclusively for remote filament feeding, this unit simplifies material handling and ensures steady filament flow for improved print quality and stability.
✅ Electric Feed & Retract: One-touch control for easy filament loading and unloading.
✅ Smart Automatic Feeding: Synchronizes with extruder movement to reduce load and keep smooth material delivery.
✅ Filament Break Detection: Built-in sensor pauses printing once filament breaks (signal connection and printer configuration required).
✅ Quiet & Durable: Upgraded motor and silent driver deliver long service life with low noise.
- Tangle Guard | Passive Anti-Tangle Cutting Module
A fully mechanical cutting module that prevents tail jams and air printing, ideal for reliable protection during long-running printing tasks.
✅ Passive Auto-Cutting: Works without power, automatically cutting tangled or stuck filament tails.
✅ Premium CNC Build: High-precision aluminum body for great rigidity and long-term use.
✅ Replaceable SK5 Blade: Durable sharp blade for neat cuts, easy to replace for daily maintenance.
✅ Premium Appearance: Industrial red & black finish, practical and stylish.
⚠️Important notice: Tangle Guard is not compatible with TPU filaments

✨Combo Synergy: 1+1 > 2 Full Filament Safety System
Many printing failures stem from incomplete filament protection, rather than printer issues. This officially matched combo combines the advantages of both products to create a dual-layer, end-to-end protection system, greatly upgrading your overall printing performance.
Step 1 — Tangle Guard (Front-End Gatekeeper)
Installed near the filament spool, it serves as the first line of protection for the filament path. Featuring a pure passive mechanical structure, it automatically cuts stuck, tangled or misaligned filament, effectively eliminating tail-end jams and air printing risks. It delivers reliable front-end protection to build a solid foundation for smooth material delivery.
Step 2 — LLL Plus Buffer (Back-End Stable Feeding Core)
With front-end filament tangle risks eliminated by Tangle Guard, the LLL Plus further optimizes the whole feeding process. It delivers precise electric feeding, automatic follow-up feeding and real-time filament break detection, reducing extruder pressure and stabilizing long-distance filament delivery. The intelligent pause mechanism safeguards continuous printing, working perfectly with front-end protection to form a stable, fail-safe full-process printing system.
1Package
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Set1
1*LLL PIus Buffer
Set 2
1*LLL Plus Parts
Set3
1*Power Board
Set4
1*All-in-One Filament System(1*LLL PIus Buffer+ 1*Tangle Guard)
Set5
1*Tangle Guard














