ok, so this happened (left a model printing overnight):
Any suggestions on the best way to fix this? A1 Printer.
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Damn… this forum is turning into reddit.
This is a common hotend blob. This happens because of poor bed adhesion and lack of maintenence. This is a very common issue.
Heat up the nozzle to ~230c, start pulling with a pair of tweezers or similar tool.
Chances are you will need a new hotend heating assembly and part cooling fan. I always recommend keeping a spare heating assembly around for this reason, they are about 20 dollars.
Here are the wiki instructions…
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