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

摘要

AbstractThis invention comprises a process for molding a threedimensional decorative article 16 where cored out or raisedportions extend to a depth of at least 0.6 centimeter,said process comprising generating electronically a linedrawing 2 of said article and electronically displaying thedrawing 3; photographing said drawing to form a photographictransparency 4; positioning said transparency over a layerof a liquid photopolymer having a depth greater than 0.6centimeter; exposing said photopolymer through saidtransparency to actinic light 9 to set the photopolymer;and removing the liquid from the set photopolymer to forma three dimensional article 16 having the appearance Orsaid drawing 2.