3D printing is an amazing technology that opens up great opportunities for us to enjoy life. The future is great. It is exciting to see how quickly advances are being made in this area. I think the ability to print replacement parts is a huge benefit. And the creative uses people will put these printers too will be a joy to see.
Related: A Pen That Prints in 3D While You Draw – Open Source 3-D Printing (2007) – Great 3D Printing Presentation by a kid (2011) – 3D Printing is Here (2009) – A plane You Can Print (2006)