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Filament Tube with Minimalistic Mk7 Extruder Arm

by danman, published

Filament Tube with Minimalistic Mk7 Extruder Arm by danman May 24, 2013

Description

This is designed for use in an MK7-style extruder in the case where a 6.5mm OD polyethylene tube is used to guide the filament to the extruder.

This design has been successfully used with 100% reliability for many hours.

The extruder pictured was originally a QU-BD model. I could not get the original extruder, as shipped, to extrude in any useable fashion. The modified extruder is now working reliably (the original QU-BD gear has been replaced with a Makerbot style extruder gear and the system for providing traction to the extruder gear has been replaced with the very-well-thought-out Minimalistic Mk7 Extruder parts.

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