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Cake day: September 1st, 2023

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  • Yep, you’ve got some warping, the longer and skinnier the print the more it wants to warp. Pla isn’t too bad for warping typically, but PLA+ is an alloy of pla and petg and is more finnicky. Not nearly as much as pure petg is but the point of it is you get an improvement of the physical properties for only being a bit more fisdly to print. I’ve found age can affect adherence, but only in the extreme, and I think it’s more to do with not being stored dry than age alone. For prevention, there’s a bunch you can do. Simplest is clean your print bed, rubbing alcohol or just dish soap and water have both worked well for me in the past. Getting a more adherent print bed like textured PEI or just layering it with something your print sticks better to like hairspray, painters tape or a layer of gluestick helps. Upping the bed temp can help, I think because you get less of a temperature differential between the plastic coming out of the nozzle and the first few layers so there’s less force pulling on it. You can also add a brim or less recommend a raft in the slicer. Lastly, you can change the design of the part. Making it leas long and skinny and rounding corners helps. On that subject you should seek advice from others, it’s not something I know a lot about.