There’s something strangely calming about watching foam get sliced to perfection. In this video, soft, squishy foam blocks are cleanly cut with smooth, precise motions that reveal flawless lines and ...

High-Density Upholstery Foam or polyester filling — this is dependent on the filling of your current sofa. • Farberware Soft Grip Serrated Utility Knife from Amazon for cutting down the foam.