Halo ring around every piece
SymptomA pale outline traces each design on dark garments. The preset’s own notes name the culprit: “Semi-transparent pixels cause halo effect — use binary alpha snap.”
PreventionExactly what the preset does: pixels at alpha 128-and-up become solid, everything below vanishes, before the file ever leaves NestSheet. Edges land crisp because there is no “half-white” left in the file.