... , glass, plastic, wood, bamboo, cambered surface, sphere, stainless steel, iron, copper, aluminium, titanium alloy, can doing 3D embossment, and line engraving, bevelling ... 2D engraving.2.Engraving characters,letters, pattern, intaglio, rilievi, handwriting, ancient calligraphy, abrazine colored drawing, flat carving colored drawing, etc on stone,glass ...