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E3NG-Toolchanger — image 1
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E3NG-Toolchanger

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Model information

License
Creative Commons — Attribution — Noncommercial — Share Alike

Note: This project is currently in Beta. Community testing and feedback are greatly needed.

The build guide and BOM have been posted! please visit https://github.com/emna2881/E3NG-Toolchanger .

  • Hotend-Swapping Mechanism: Swaps hotends while utilizing a single extruder drive gear set and a single pair of part cooling fans, significantly reducing toolhead weight and cost.

  • Servo-Driven Cam Arm: Features a servo motor with a cam mechanism that disengages the extruder idler arm to clear the filament path for tool changes.

  • Multi-Tool Capacity: Supports up to 6 tools (5 tools recommended for optimal clearance)

For more information, please visit https://github.com/emna2881/E3NG-Toolchanger

Changelog

  • Jul 31. 2026 - Redesigned the Tool and Fan Duct

  • Jul 21, 2026 - Initial Release

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