Patent ID: 6746814
Filing Date: 2004-06-08
Classification: B29C,B29K,B33Y

Abstract:
A method for providing color to a stereolithographically produced model, comprising:obtaining data representing said model, wherein said data is readable by a stereolithographic model generating machine for solidifying layers of a liquid resin in a vat creating resin layers to create successive cross sections of said model; exposing each of said resin layers with energy effective for solidifying said resin; overexposing one or more portions of at least one of said resin layers according to a coloring or shading indicated in said data creating one or more overexposed portions; heating said model with an effective amount of heat to induce a color or shading change in substantially only said one or more overexposed portions of said model; removing said model from said vat and cleaning said model; exposing said model to an energy source; and finishing said model.