It pulls the spot plates in from the edge so white or varnish never prints past the cut line — the same thing as Select ▸ Modify ▸ Contract in Photoshop, and it matches Photoshop exactly. Enter the amount in pixels, millimetres, or inches; it shows you the millimetre equivalent as you type. 1px at 300 DPI is a typical starting choke.
Sep 12, 2026