PETG stringing: fix it in the right orderFine hairs or thick strings between separate parts of the print.PETG not sticking to the bedThe first layer lifts, curls or follows the nozzle.PETG blobs and zitsSmall bumps, scars or deposits appear on walls and seams.ASA & ABS warping and corner liftCorners lift or layers split as the part cools.PLA stringing: temperature and retraction fixesHair-like strands form between travel moves.TPU stringing without causing jamsFlexible filament leaves strings but extra retraction causes buckling or jams.First layer problems: gaps, waves and elephant footThe first layer has gaps, ripples, or a squished spreading base.Under-extrusion: gaps, weak walls and skipped linesThin or missing lines, gaps between walls, weak layers.