Photo taken on Dec. 3, 2012 shows titanium 3D Printer's product samples at Melotte Direct Digital Manufacturing company in Zonhoven, Belgium. 3D printing is a process of making three dimensional solid objects from a digital model, which is used in industrial design, architecture, engineering and construction (AEC), automotive, aerospace, dental and medical industries, education, civil engineering, and many other fields. Melotte is a leading company focusing on metal 3D Printing in Europe, with the estimated total income in 2012 reaching to 170 million Euro. (Xinhua/Ye Pingfan)

Photo taken on Dec. 3, 2012 shows a 3D printer at Melotte Direct Digital Manufacturing company in Zonhoven, Belgium. 3D printing is a process of making three dimensional solid objects from a digital model, which is used in industrial design, architecture, engineering and construction (AEC), automotive, aerospace, dental and medical industries, education, civil engineering, and many other fields. Melotte is a leading company focusing on metal 3D Printing in Europe, with the estimated total income in 2012 reaching to 170 million Euro. (Xinhua/Ye Pingfan)

Photo taken on Dec. 3, 2012 shows a titanium 3D Printer's product sample at Melotte Direct Digital Manufacturing company in Zonhoven, Belgium. 3D printing is a process of making three dimensional solid objects from a digital model, which is used in industrial design, architecture, engineering and construction (AEC), automotive, aerospace, dental and medical industries, education, civil engineering, and many other fields. Melotte is a leading company focusing on metal 3D Printing in Europe, with the estimated total income in 2012 reaching to 170 million Euro. (Xinhua/Ye Pingfan)

CEO of Melotte Direct Digital Manufacturing Mario Fleurinck shows a titanium 3D Printer's product sample at his company in Zonhoven, Belgium, Dec. 3, 2012. 3D printing is a process of making three dimensional solid objects from a digital model, which is used in industrial design, architecture, engineering and construction (AEC), automotive, aerospace, dental and medical industries, education, civil engineering, and many other fields. Melotte is a leading company focusing on metal 3D Printing in Europe, with the estimated total income in 2012 reaching to 170 million Euro. (Xinhua/Ye Pingfan)

Photo taken on Dec. 3, 2012 shows a titanium 3D Printer's product sample at Melotte Direct Digital Manufacturing company in Zonhoven, Belgium. 3D printing is a process of making three dimensional solid objects from a digital model, which is used in industrial design, architecture, engineering and construction (AEC), automotive, aerospace, dental and medical industries, education, civil engineering, and many other fields. Melotte is a leading company focusing on metal 3D Printing in Europe, with the estimated total income in 2012 reaching to 170 million Euro. (Xinhua/Ye Pingfan)

Mario Fleurinck (1st R), CEO of Melotte Direct Digital Manufacturing, works with staff at company in Zonhoven, Belgium, on Dec. 3, 2012. Melotte is a leading company focusing on metal 3D Printing in Europe, with the estimated total income in 2012 reaching to 170 million Euro. 3D printing is a process of making three dimensional solid objects from a digital model, which is used in industrial design, architecture, engineering and construction (AEC), automotive, aerospace, dental and medical industries, education, civil engineering, and many other fields. (Xinhua/ Ye Pingfan)