Kirigami is paper cutting's structured cousin: where origami folds, kirigami folds and cuts. The discipline rewards a small set of habits — a sharp blade, a folded sheet for symmetry, and a careful eye for the slivers of paper that hold a design together.

A pop-up kirigami structure cut and folded from card
A kirigami structure cut and folded from card stock. The standing forms are cut, then folded up from a single sheet. Photo: Wikimedia Commons.

Kirigami vs. plain cutting

Plain paper cutting (the Chinese tradition of jianzhi is a well-known example) removes material from a flat sheet to leave an image. Kirigami adds folding: you fold first so a single cut repeats symmetrically, or so cut sections can be lifted into three dimensions, as in pop-up cards.

Flat cutting

Best for silhouettes and lacework. The whole design lives in one plane, and the cut lines define positive and negative space.

Kirigami

Best for repeating motifs and structures that stand up. Folds set the symmetry; cuts release the shapes.

Blades, mats, and a metal edge

  • A craft knife with a fresh, pointed blade. A dull blade tears rather than cuts and forces you to press harder, which is where slips happen.
  • A self-healing cutting mat to protect the table and keep the blade from skating.
  • A metal ruler for straight cuts. Plastic and wood edges get shaved by the blade and stop being straight.
Change blades more often than feels necessary. Most cutting mistakes trace back to a blade that was sharp three projects ago.

Folding for symmetry

To cut a symmetrical motif, fold the paper before you cut. A single fold mirrors the design left to right; folding into quarters or into a fan repeats it around a point — the principle behind paper snowflakes. Plan the cut so that part of every folded edge stays uncut, or the pieces separate when you unfold.

Bridges: what keeps a design from falling apart

A bridge is a deliberate strip of uncut paper that connects two areas you want to keep. In an intricate cut, bridges are the difference between a lacework panel and a pile of confetti. Two rules carry most designs:

  1. Leave bridges before cutting, not after. Sketch where the connections must stay while the sheet is still whole.
  2. Cut interior shapes first. Work from the centre outward and from small details to large ones, so the sheet stays rigid as long as possible.

Cutting safely

  • Cut away from your hand, never toward it, and keep your non-cutting fingers behind the ruler.
  • Retract or cap the blade the moment you set the knife down.
  • Light, repeated passes beat one heavy pass — they are both safer and cleaner.

Keep going

New to creases? Start with Paper Folding Basics. Ready to assemble pages into a book? See Pamphlet Stitch Bookbinding.

References