YANB - Yet Another Nozzle Brush

For removing accumulated, molten plastic from the extruder nozzle.
1h 11m
1× print file
0.20 mm
0.40 mm
12.00 g
154
501
32
4640
updated November 29, 2020

Description

PDF

This is my take on the brush designed by "Makers Mashup" with some of my own thoughts on design features I thought would be helpful.

The idea of a nozzle brush was entirely new to me, but made some sense. I have experienced on more than a few occasions an errant bit of plastic dislodging from the hot end and making a guest appearance on my otherwise pristine print.

This brush helps to gently clean off the built-up plastic (once the nozzle is at operating temperature) so you can minimize the chances of unwelcome materials on your prints. This also avoids messing up your nozzle with abrasives or sharp tools... I mean, I'd never use a sharp tool to clear off the built up plastic on the hot end. [whistles innocently]

The design features I added were:

  • Offset the pad holder.
  • The offset also allowed for the addition of a groove to avoid catching the nozzle on the plastic.
  • Added a bit for your thumb to have some traction.

I used these felt pads available from your local giant online retailer. I strongly suspect these are a synthetic felt and will melt, but you're not going to get too many uses out of a pad before they're gummed up anyway (at least in my experience thus far).

Print instructions

This prints without need for supports.

My print files are sliced for PETG.

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The author remixed this model.

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