Crop photos and paper with 1/8" mats into ovals, circles and rounded squares in seconds! The Curvy Cutter™ Cutting Tool has an ergonomic handle that swivels for one step cutting and a two-sided blade that cuts in both directions. The cutting tool can be used with both the Curvy Cutter™ Circle and Rounded Square Template Sets (cuts 22 circles and rounded squares from 2 -1/4" to 7 - 1/2" respectively). Three Replacement Blades.