Poor mans filament changer
thingiverse
Work in progress of a cheap filament changer. Uses two 28byj-48 steppers and a sg90 servo. The idea is to use multiple filament holders which feeds into the path of the motor, the drops the filament holder and bearing onto the motor gear which then feeds the filament through. This is just an idea, if anyone has the skills to expand on it that would be great
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