Fig. 7From: Duplication of uniqueness: electrotyping in nature printing and its application in contemporary artOptical Micrographs of the moulded side of the electrodeposited copper printing plate. Vertical column with various conductivity powders on silicon. Left: Ag. Middle: graphite. Right: Cu. Horizontal rows with various post treatments. Bottom: untreated. Middle: machine polished. Top: hand polishedBack to article page