Mass customization of articles with a customized composite or dimensional image created from one or more custom images, such as photographs, text, and the like. A dimension in a plane perpendicular to a thickness direction of the variable resistance memory cell is specified by widths of the first and second wires. A random number generator generates an initial number of numbers, preferably two. Consequently, two laser chips can be bonded at narrow pitches on one submount in high position accuracy.