Why Is My Print Shifting After Hours?
Late print shifts often come from heat buildup, belt slip, nozzle collisions, warped edges, loose pulleys, or acceleration that is too aggressive for ...
Fast answer
Late print shifts often come from heat buildup, belt slip, nozzle collisions, warped edges, loose pulleys, or acceleration that is too aggressive for long prints.
Look at the first failed area, the material, and the slicer profile before changing settings.
Check filament dryness, nozzle temperature, bed setup, belts, and the profile baseline.
Use a small calibration print so you can see which change actually improves the result.
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