Square cleaner nozzle

With UM ² when changing filament, switch off the machine and make the extrusion by hand. I propose another solution.

3D printer parts and enhancements

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Description

With UM ² when changing filament, switch off the machine and make the extrusion by hand. 
I propose another solution. Printed a small square of 1cm side with a tunnel in the center. 
At startup, there is the old filament. And then, as and to the extent, changes color and becomes clean.

Materials and methods

-PLA
-PLA/PHA
-ABS

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Mini avatar 1024 1024Alexandre published this design ago