PLA corners lifting: fix the first layer first—or reach for a brim?
PrintVeld · 2026-10-07
Our opening hot take: when PLA corners lift, adding a huge brim should not be your first move. Start by checking the plate is clean, the first-layer height is right, and the bed temperature and drafts suit the setup. A brim can hide a problem you will meet again on the next print.
The other side: on a broad, sharp-cornered part—or a job that has to finish today—a brim may be a perfectly sensible tool. Getting a usable print matters too.
Which camp are you in: diagnose first, or add a brim and move on? Tell us your printer, plate, PLA brand, bed temperature, first-layer settings and the change that actually stopped the corners lifting. Bonus points for explaining when your usual approach failed.
This is a PrintVeld discussion starter, not a universal fix. Let us compare actual setups and results. Disagree with the idea; help the maker.
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