How did my nozzle get damaged like this?! see comments : r/3Dprinting

How do I fix this? I just replaced my nozzle today : r/3Dprinting

PETG sticking to nozzle like crazy, any ideas? : r/3Dprinting

PSA: don't tighten your nozzles too strong…. : r/3Dprinting

Is it possible to fix this 3D pen nozzle? : r/3Dprinting

Is there anyway to keep the nozzle clean? My Nylon brush helps for about a week then It looks like this. I was thinking about a high temp grease maybe? : r/3Dprinting

getting ready to throw this thing away. I can't seem to get it to do anything right : r/3Dprinting

Idea: spreading the extruder traction over 4-6 gears - more nozzle pressure, less grinding : r/3Dprinting

Anybody have a good used nozzle project? : r/3Dprinting

Is the nozzle temperature too high? : r/3Dprinting

Nozzle blocked in my Ender 3 Neo : r/3Dprinting