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PSA: Maybe don't buy these shitty extruders
(m.media-amazon.com)
I spent entirely way too much time trying to get one of these style extruders on my Ender 3. Maybe I picked a knock off without realizing it, maybe mine was just defective, I'm not entirely sure.
But it was ultimately the cause for my printer underextruding on certain layers. If you need a new extruder, go for something better than these cheap $20 ones and get an actually decent one.
But on the bright side, my printer is finally fixed! It feels nice to be able to get back into the hobby again.
I ended up switching to this one:
https://store.micro-swiss.com/products/micro-swiss-bowden-dual-gear-extruder
I've heard good things about micro swiss, so hopefully this one will last.
I love my Micro Swiss dual gear extruder. I have some homemade filament made from PET bottles that won't print on a single gear extruder but prints perfectly on the dual gear extruder.
Awesome, thanks! Just ordered one off Amazon. Hoping this does the trick.