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PLA warping during print (feddit.org)

submitted 3 months ago by [email protected] to c/3dprinting

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I am using the Creality ender 3 v3 SE with eSuns PLA+ in black. The recommended printing temperature is 205-220 and I am printing at 210. The bed is set to 65°. When I print somewhat flat parts. The edges warp off the plate, while the printer is running and the plate is still hot. Until a few days ago it worked perfectly and I don't know what I am doing different.

It is always only the first few layers, and the print never moves, so that the printer would make spaghetti, its just the edges that lift of a few millimeters.

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[–] IMALlama 4 points 3 months ago

A few days ago were you printing the same part or a different one? Has anything at all changed with your setup or slicing?

Things I would go after, in order:

clean your bed. As others have said, use warm water and dish soap with a clean sponge (or just use your fingers). Dry with paper towel or air dry. Don't use a towel
what does the first layer on this print look like relative to your prior prints? Does it have less squish?
add a brim and/or mouse ears
protect against drafts by printing your part inside a draft shield
enclosure! You could probably leave the top open. That's how I print PETG in my Voron

I'm personally not a fan of glue or adhesion aids, but to each their own. I've had the magnetic build plate pulled up, along with the print, from my bed due to warping in the past, but the warping was due to printing a big part in too cold of an environment. Once I addressed that, my problem went away.