A worked example
A 100 mm box with 1 mm clearance per side gets a 102 mm lid base.
Generate separate tray nets for a box base and a shallow slip-over lid.
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The lid base is wider and longer by twice the entered per-side clearance. The two pieces are printed separately.
A 100 mm box with 1 mm clearance per side gets a 102 mm lid base.
Clearance is user-selected. Thick, coated or handmade paper may need a larger fit allowance.
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