METHOD OF MAKING A SIGHT MODEL, SAID MODEL, ITS USE AS A MOLD PART AND SAID MOLD

摘要

This invention comprises a process for molding a three dimensional decorative article 16 where cored out or raised portions extend to a depth of at least 0.6 centimeter, said process comprising generating electronically a line drawing 2 of said article and electronically displaying the drawing 3; photographing said drawing to form a photographic transparency 4; positioning said transparency over a layer of a liquid photopolymer having a depth greater than 0.6 centimeter; exposing said photopolymer through said transparency to actinic light 9 to set the photopolymer; and removing the liquid from the set photopolymer to form a three dimensional article 16 having the appearance Or said drawing 2.