Minimalistic MK7 with Cleaning Brush
by benmah, published
I felt that I need to have a cleaning brush inserted to automatically clean the extruder pulley.
8mm hole for brush
Bottom cut out for stepper motor.
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Just thought of using cheap art painting brush as its cheap and can be replace in just minutes by loosening the set screw. Plug it in and plug it out. Anyway it will take quite some time before you need to replace it.
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Print using 50% infill, 2 layers.
Spring is from Ikea clothes hanger clips
Small bearing with inner diameter of an M3 screw.(From my junk box which I think from a old hard disk) Will update the bearing model number later if I can see the imprint.
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