Cutting Room
One marker for mixed widths must fit the narrowest roll, so every other roll pays the difference in edge waste for its whole length.
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One marker cut to the narrowest roll in the lot
Banding costs something too: more markers to make, more lays to set and more part-rolls left over at the end of each band. Weigh the saving here against that overhead before splitting a lot into many narrow bands.
Roll Width Variation Waste & Width Banding Calculator — free, with the formula and a worked example, at Textile School.