Ming-Jong Tsai and Y. L. Cheng and Y. L. Kuo and S. Y. Hsiao and J .W. Chen and P. H. Liu and D. H. Chen , Implementation of A Photo-Curable 3D Additive Manufacturing Technology with Coloring Gray Capability by Using Piezo Ink-Jet. journal = {International Journal of Industrial and Manufacturing Engineering}, [online]. World Academy of Science, Engineering and Technology. June 2015, vol. 103(7). 1212 - 1215 [viewed 20 September 2024]. Available from: https://publications.waset.org/pdf/10001738.