Perforation Cutter or Standard Rotary Cutter?

Eight Needles Journal · Rotary cutting

A perforation cutter makes a line of interrupted cuts; a standard rotary blade makes a continuous cut. Choose the tool according to the result you need, rather than assuming two circular blades perform the same job.

OLFA 28mm rotary cutter. Photo from the Eight Needles collection.

Define the finished line

For a tear-off or folding-related paper task, follow the perforating tool's intended use and test the actual stock. If you need two fully separated pieces, a standard cutter may be the relevant tool instead.

Test the material

Paper thickness, surface and the tool's blade design affect the result. Make a short sample on a suitable mat and inspect both sides. Do not assume that a line which looks perforated will tear neatly in the direction you want.

Keep functions labelled

Store standard and specialised blades with their original references. Verify compatibility before fitting any alternative blade to a handle. A shared diameter does not establish that a replacement is approved for that cutter.

A practical example

You want a paper strip to tear away along a controlled line. Test the perforating tool on the actual stock and tear the sample as intended. A visible dotted cut is only part of the test; the finished paper must also behave as the project requires.