Fig. 1: Eco-friendly BJM3DP.
From: A general fruit acid chelation route for eco-friendly and ambient 3D printing of metals
a Schematic illustration of BJM3DP system. b Powder layer deposition on builder gantry box. c Programmed water ink-jetting onto powder layer. d Chemical structures of naturally available eco-friendly fruit acid (top) and its sodium salt (bottom). e Schematic description of as-prepared mixture of metal powder and chelator (left) and metal-chelate bridge formation after metal chelation (right). f Chemical structure of metal-chelate bridges on metal particle surface. g Photographic image of 3D-printed ammonite-shell-shaped object (scale bar: 10 mm).
