Figure 4. Printed fundamental elements of lines, curves or characters to compose electronic circuits or devices.

(A) Original geometrical design drafts for lines and wires vector graphs and printed results. (B) Printed conductive characters in English and Chinese. (C) Pattern vector graph, printed flexible object and its folding state. (D) Quick production of high-performance electronic elements such as interdigitated-array microelectrodes or radiofrequency identification antenna. (Jing Liu).