Sort common 3D print defects into cause families to guide disciplined troubleshooting.
Sort each defect clue into the cause family that should be investigated first. Design or file Material Machine Process settings Wall is 0.6 mm thick and breaks during support removal Nylon pops and leaves bubbles after sitting open for two weeks Y-axis shift appears after a loose pulley set screw Holes are consistently undersized across three fresh machines Overhang fails because the model has no printable support angle Brittle resin parts come from an expired bottle stored in sunlight First layer varies because the bed mesh is outdated PETG strings heavily after retraction was disabled for a batch
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