In digital halftone screening, a large collection of halftone cells (which are in turn composed of many printer spots) which can be moved as a single unit, as a means of optimizing certain screen angles. See Screen Angles.
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In digital halftone screening, a large collection of halftone cells (which are in turn composed of many printer spots) which can be moved as a single unit, as a means of optimizing certain screen angles. See Screen Angles.