a method of providing multiple arcuate ablations on a corner portion of a polymeric laminate . the laminate includes more than one layer , with each layer having a an exposed upper surface . the method comprises selectively ablating a first layer in a first arcuate path , and selectively ablating remaining layers , each remaining layer ablated in a separate arcuate path . the arcuate path of any layer neither overlays nor underlies the arcuate path of any other layer .