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Welcome to Home Nanofactories. See that computer printer in your home? It is the start of an evolution of printing technology that has gone from dot matrix (line at a time) to laser jet (page at a time). It has gone from black and white to full, rich color. It will take on much more sophistication in the years ahead. The next major paradigm shift will be 3d printing, where the printer will “print” in 3 dimensions and make all sorts of simple items like dinnerware, ashtrays, etc.  The really big paradigm shift will be the initial stages of nanoscale printing in 3d – where the specific “toner” in the printer will contain the component parts (atoms, molecules) that are necessary to build pretty much any physical item – from pencils to calculators to screen pcs – to even copies of itself.

Welcome to the world of the home nanofactory.            

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3d Printing Technologies

With modernization, a rapid growth of newer technologies is capturing all the aspects of human life. Starting from food and things of daily uses to vehicles and introduction of various technologies like the computers and related mechanical transformations of the communication medium – the trajectory of modern life is speeding upwards, with us needing to keep pace with it.

As everywhere, there has been a rapid growth in printing technology as well. Printing has developed over the ages to what has now been called the 3-dimensional printing. Printing has come out of its age-old forms and has introduced new technologies for innovations in the field.

While discussing the 3D printing technologies that are introduced in the present period, certain aspects related to printing need to be addressed. They are – i) three dimensional printing and 3-d printers, ii) other type of rapid prototyping technologies, for stereolithography, selective laser sintering and the fused deposition modeling; lastly, and, iii) rapid protective engineering and development.

There are various projects undertaken by different companies or groups that have brought about revolutionary changes in the printing technology. They have been briefly discussed here.

· RepRap 3D printing quality development: The RepRap is the project that developed the 3D printing technology and went on a step further to develop the technology chronologically. They presented the photographs of door handles that are taken at different times with different printing technologies. The photographs showed marked difference in the printing texture and dimension of the print out.

· In the 2007 Extreme Redesign Contest, the challenge was on the 3D dimension printing where there were various people who presented their designed models for example the 3D Brain Lamp. There were also many students who created their own 3D design under the contest named Extreme Redesign. The students presented various types of 3D printed models like the Rubix Cube for the blinds and the design of a Solar-Powered Water Desalination Unit.

· The Nanofactory 3D printing technologies are introduced that are related to the nanotechnologies. Nanofactory is actually the ultimate expression of the versatile potential of the nanotechnology. Thus, by tapping the nanotechnology, the experts have developed a 3D printing technology that is known for its precision and fine quality.

· The 3D Systems Corporation, which is a leading provider of 3D images and models, has introduced a Rapid Prototyping and Manufacturing solutions. The company announced that the new V-Flash Desktop Modeler that they created newly for the revolutionary 3D printing is just the perfect for the high quality printouts having three-dimensional feel. The new product is

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