Filament Welder 1.75mm Touch Screen Up to 240°C – SUNLU 3D Filament Connector PLA ABS PETG PCL PA PC Compatible | 200pcs PTFE Sleeves Included USB Powered Portable Filament Joiner Splicer Tool

SUNLU 3D Filament Connector – Weld Any 1.75mm Filament in Minutes

The SUNLU 3D Filament Connector is the ultimate tool for 3D printing enthusiasts who want to eliminate filament waste and unlock endless color combinations. Designed for 1.75mm filaments including PLA, ABS, PETG, PCL, PA, and PC, this compact filament welder heats up to 240°C and delivers fast, precise, and reliable connections every time. Whether you're a hobbyist, educator, or professional maker, this tool is a must-have in your 3D printing toolkit.

Why You'll Love It

• 🔥 Heats Up to 240°C in 3 Minutes – Advanced heating module delivers fast, accurate filament fusion for a wide range of materials
• 🎨 Multi-Color Printing Made Easy – Connect different colored filaments of the same material to create stunning gradient or multi-color prints without a multi-extruder printer
• 📱 One-Touch Touchscreen Control – Intuitive touch interface with multiple preset temperature modes for different filament types
• 🔧 Universal 1.75mm Compatibility – Works with PLA, ABS, PETG, PCL, PA/Nylon, PC, and more
• 📦 200 PTFE Sleeves Included – Ensures perfectly aligned filament connections every time, reducing failed welds
• 🛡️ Safety-First Design – Insulated heating module and protective housing prevent accidental burns during operation
• 🔌 Powered via USB (5V 2A) – Portable and easy to use at your desk or on the go

Specifications

Frequently Asked Questions

Q: What filament types does this connector support?
A: It supports all major 1.75mm filaments including PLA, ABS, PETG, PCL, PA (Nylon), and PC. The adjustable temperature range up to 240°C covers the fusion points of all these materials.

Q: Is this suitable for beginners in 3D printing?
A: Absolutely. The one-touch touchscreen with preset temperature modes makes it beginner-friendly. No technical expertise is needed — just select your filament type, insert the filaments, and press the button.

Q: Can I use this as a gift for a 3D printing hobbyist?
A: Yes! It's a fantastic gift for anyone into 3D printing, STEM projects, or DIY making. It ships in a clean retail-style package and includes everything needed to get started right away.

Q: How do I use the PTFE sleeves included in the package?
A: Insert both filament ends into the PTFE sleeve to align them, then place the sleeve into the connector's heating chamber. The sleeve holds the filaments in perfect alignment while the heat fuses them together for a strong, clean weld.

Q: Do I need any additional accessories to use this?
A: You only need a 5V 2A USB power adapter (not included). The package comes with the connector unit, USB cable, 200 PTFE sleeves, and an instruction manual — everything else is ready to go.

Q: Is this a good tool for STEM education or school projects?
A: Yes! This filament connector is ideal for STEM classrooms, makerspaces, and school 3D printing labs. It teaches students about material science and enables creative multi-color projects without wasting filament.

Fast US Shipping

Ships from our US warehouse. Enjoy free delivery in 2–7 business days — no customs delays, no long waits. Order today and start welding filaments faster than ever.