A slotted carton in exactly your size. Set the three dimensions and the board, add artwork, fold and export.
This is the box page for a size no preset covers: a 320 × 220 × 180 mm carton to begin with, and the three sliders take it from a mailer to a moving box. Everything else follows the size: the blank, the flap gaps, the glue tab and the bend radius for the board you pick.
Fold it flat to check how your print sits across the scores, then export a transparent PNG from any angle.
Yes: the fold slider runs from the folded box to the flat blank, printed side up, which is the view a printer proofs.




Fixed 3D models of real products, with colours, lighting and animation in the full editor.