3D Printer Part and Spares for DIY and Industrial Builds

Bondtech LGX Shortcut Copperhead Short Filament Path Print Head pairs the LGX Large Gears extruder with the Copperhead hotend in a compact unit, offering a 27 mm shorter filament path for faster printing of flexible materials. Its reversible heat sink supports left or right mounting and 40×40 fan attachment. Includes LGX Large Gears extruder and LGX Shortcut Copperhead Hotend (motor not included).

• 27 mm shorter filament path compared to standard Copperhead
• Reversible heat sink for left or right mounting with 40×40 fan attachment
• Includes LGX Large Gears extruder and LGX Shortcut Copperhead hotend (motor not included)
• Small and light construction with versatile mounting options
• Wide material compatibility, including flexible and soft filaments
• Hot block compatible with RepRap nozzles (Standard Brass, Standard Coated Brass, CHT Coated Brass) and Slice Engineering nozzles (BridgeMaster Copper, Vanadium Steel)

Bondtech DDG extruder for Ultimaker 3 is a direct drop-in upgrade that replaces the stock extruder with Bondtech DualDrive for slip-free feeding. It offers adjustable tension, nickel-coated hardened steel drive gears, and a nylon housing to improve durability and alignment. Compatible with Ultimaker 3/3 Extended and 2.85 mm filament, it reuses the stock stepper motor and is tuned to 311 E-steps, delivering more reliable extrusion on long or retraction-heavy prints.

• Drop-in replacement fitment for fast installation
• DualDrive slip-free feeding for improved extrusion reliability
• Adjustable tension for tuning different materials
• Hardened steel gears for better wear resistance
• Reuses the original stepper motor for simpler upgrade

Bondtech Upgrade Kit for Prusa i3 MK2.5S/MK3S/MK3S+ upgrades your extruder to Bondtech Mini Geared (3:1) with optimized heat-sink cooling, reduced moving weight, and a PINDA probe mount, delivering higher push force, improved filament control, and better print quality. Compatible with the original All-Metal V6 hotend.

• Adapted to fit Prusa’s new filament sensor
• Includes Bondtech’s BMG extruder with a 3:1 gearing ratio
• Optimized geometry for heat-sink cooling
• Mount for PINDA probe included
• Less moving weight to reduce vibration and ghosting
• Professional SLS 3D printed housing

Bondtech LGX Lite PRO Upgrade Kit for Elegoo Neptune 4 is a high-performance dual-drive extruder upgrade for Neptune 4 series printers. It delivers stronger grip and consistent filament control for rigid and flexible materials, improving extrusion repeatability, retraction, and long-print reliability. Easy to install and maintain, it’s ideal for fast prototyping and precision parts across PLA, PETG, ABS, TPU, Nylon, and composites.

• Dual drive extrusion for controlled feeding and reduced slipping
• Adjustable tension lever to tune grip for different filaments
• Service-friendly design for quick cleaning and maintenance
• Consistent performance for standard and flexible materials

Bondtech LGX ACE Mosquito is a premium dual-drive extruder and hotend upgrade for Neptune 3 Pro/Plus. It’s engineered for high-speed, reliable printing with stable volumetric flow, consistent extrusion, and enhanced cooling. The design helps reduce heat creep, boosting uptime on long prints and demanding materials. A roll cage integration supports safer handling and easier servicing while delivering stronger extrusion and cleaner surface quality for precision parts.

• Dual drive extruder grip for more consistent filament control
• High-flow hotend architecture for faster, stable material throughput
• Optimized thermal path to reduce heat creep and improve uptime
• Enhanced part cooling to improve overhangs, bridges, and surface quality
• Roll cage protection for safer handling and easier servicing