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A wire brush. Handheld, not attached to an electric grinder or something like that.
Cheap wire brushes should be available in most hardware stores. I know that ours carries them in the paint section.
Remove the nozzle and hold it with pliers or something.
Lick the frosting off…
Mmm… Microplastics
Think up every swear word you know, because you’re gonna need them all.
Blow on it really hard.
And then rub it for three wishes.
Use a knife and carefully scrape off what you can while cold. Heat to printing temp and wipe off what you can. Cool down and clean with acetone if need be. Edit: do this only with metal pieces. Disassemble head if need be.
If the head is all metal, soak it in acetone
What type of filament is that?
Maybe try a heatgun to soften it. I’m not sure, might damage the plastic casing.
PLA
PLA basically doesn’t dissolve in any (readily available consumer-grade) solvents. Your best bet is going to be to take the entire unit as far apart as you can until it is metal only components, heat it with a heatgun to make the PLA soft/melt, and brush it all off with a brass cleaning brush.
Nuke it from orbit.
It’s the only way to be sure.
I have heated it up just until plastic becomes malleable and used a damp cloth. I have also used a soft wire tooth brush to remove
WIRE TOOTH BRUSH?!? BRUH?!?!
For their hard metal teeth.
This style wire toothbrush
I just bought a new heating element when that happened to me.
I might go back with some acetone now after reading others’ comments.
Not for PLA
Hrrmm. Does it still print? Personally I’d go with hope it kind of burns off over time with normal use. Others may disagree…
That certainly is one way to make it immediately worse, and welcome a whole cavalcade of failures throughout the machine. 🫣
Microwave
Metal piece with many pointy pieces and neodymium magnets in a microwave? The sparks will damage the item and the oven. And won’t melt the plastic
