Elevate Your Crafts with the Best Corner Rounder Punch

Most standard corner rounder punches are designed for paper, cardstock, and thin photo paper up to about 1/16 inch thick. For thick chipboard or heavy cardboard, you will need a heavy-duty punch or a guillotine-style corner trimmer to avoid damaging the tool or getting uneven cuts.

First, punch through a piece of wax paper or aluminum foil to lubricate the blade and remove adhesive residue. If it remains sticky, use a cotton swab dipped in rubbing alcohol to gently clean the cutting slot and blade. Let it dry fully before using again.

A corner rounder specifically cuts a smooth rounded curve on the corner of a page, while a corner punch typically creates a decorative shape or pattern, like a scallop or photo corner. Corner rounders are simpler and focus on a single, clean radius, whereas corner punches offer more design variety.

Yes, many corner rounder punches can handle laminated paper or thin plastic sheets, but you should check the punch's cutting capacity first. Lamination adds thickness and can cause the punch to stick or tear if the material is too thick or the blade is dull. Test on a scrap piece first.

Use a corner rounder punch with a built-in alignment guide or a clear base that lets you see the corner. Place the paper corner flush against the back and side stops of the punch, then squeeze firmly. For consistent results, always align the paper the same way and avoid shifting during the cut.