1. A computer implemented method for displaying a stroked fill for an object, comprising: obtaining a computer-generated rendering comprised of vector geometry; obtaining a closed geometry in the computer-generated rendering; automatically creating, in a computer, a fill comprised of a series of two or more curves, wherein each curve in the series crosses an interior of the closed geometry; subsequent to creating the fill, adjusting a property for the series of curves; automatically adjusting each curve in the series of curves based on the adjusted property without user input; and displaying the fill on a display device.