epure
e`pure", n. Etym: [F.] (Fine Arts) Defn: A draught or model from which to build; especially, one of the full size of the work to be done; a detailed drawing.
e`pure", n. Etym: [F.] (Fine Arts) Defn: A draught or model from which to build; especially, one of the full size of the work to be done; a detailed drawing.