Apparatus and methods of decorating guitars and other stringed musical instruments are disclosed. In one aspect, a method may include UV printing a first portion of a decoration over a first region of at least part of a guitar using a first ink drop size, and UV printing a second portion of the decoration over a second region of said at least part of the guitar using a second ink drop size. In another aspect, a method may include UV printing a mask layer over a surface of at least a portion of a guitar using a first amount of image constriction and a first amount of feathering, and UV printing a decorative layer over at least a portion of the mask layer using a second amount of image constriction and a second amount of feathering.