Multi-Color Custom Upgraded BMG Extruder
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Take your multi-color 3D printing setup to the next level with this custom-upgraded BMG Extruder, specially engineered f
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Model information
- Source
- Printables
- Category
- Other Printer Parts & Upgrades
- License
- Creative Commons — Attribution
Take your multi-color 3D printing setup to the next level with this custom-upgraded BMG Extruder, specially engineered for seamless integration with the Enraged Rabbit Carrot Feeder (ERCF) / ERCF-style multi-color AMS units and M1 multi-color arms.
Designed to tackle the common bottlenecks of automated multi-material setups, this design introduces critical mechanical improvements to enhance reliability during frequent filament swaps.
Key Features & Upgrades
Integrated Pressure Release Zones: Strategically engineered zones inside the housing and the BMG gear path actively reduce filament backpressure during long retraction cycles and color-changing sequences.
Optimized for ERCF / AMS Units: Built to handle the rigorous push-and-pull mechanics of multi-color filament feeding systems without grinding or stripping the filament.
Smoother Filament Travel: Minimizes friction and binding as material journeys through the BMG mechanism into the hotend, ensuring consistent extrusion and clean retracts.
Dual-Drive Performance: Retains the high-grip reliability of the classic BMG dual-drive gearing while improving the surrounding architecture for multi-color workflows.
Ideal Use Cases
Upgrading multi-material 3D printers utilizing ERCF or custom AMS-style setups.
Eliminating filament grinding, clogging, and tension spikes during multi-hundred-color-change prints.