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A Guide to 3d Printing 3d printing is a manufacturing process used to create three dimensional solid objects from digital files. it is also referred to as additive manufacturing as it involves laying down successive layers of material until the entire object is created. People require a computer,3d printer and printing material to carry out 3d printing. It is at times difficult to select the type of 3d printer to buy. The printers prices vary. Some are quite expensive while others are cheap. They are normally bought on the basis of a persons budget, what they want to use it for and the mode of printing they desire to use. The 3d printers designed for commercial use are more expensive than those for small scale use. The commercial ones also contain more complex features than the economical ones. . 3d printers use different technologies to print objects. There is a wide range of technologies used which include stereo lithography, fused deposition modelling, selective laser melting, electronic beam melting and laminated object manufacturing. The technology of stereo lithography came into being in the 1960s. It was commonly used in first generation 3d printers. It requires u.v light to function. The beam of u.v rays is concentrated on the surface of the object to be replicated. Resin which is a photo-polymer is used to fill the object. When the light hits the resin the person gets a high resolution of the 3d model used.
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Fused deposition modelling came into use in the 1980s. It forms 3d objects by joining drops of melted thermoplastic materials. As this materials harden, a 3d object is formed.
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SLS differs from stereo-lithography in that it does not use liquid resin but rather uses powdered material. The material can be either nylon, ceramics, glass, aluminum, steel or silver. In selective laser melting powder is not converted into granules but rather melted. Electronic beam melting is a technology that uses electronic beams instead of u.v rays. Laminated object manufacturing glues together plastic, paper or metal. Objects are then shaped by cutting. . 3d printers come in handy in manufacturing 3d objects. This overcomes the limitations of other printers which can only manufacture 2 dimensional objects. They are also used to produce toys for children. They are also able to manufacture other various objects such as chocolate sculptures, clothes, shoes and cars. The only difference is that these objects are not real. For those who want to purchase these printers they can search for them in various websites which give them a variety of options to select from. It is therefore advisable that each person acquires a 3d printer in order to enjoy its benefits.Every one should buy a 3d printer in order to know its benefits. #d printers have aided in ensuring economic growth. They have created employment to people working in these sectors. We should therefore strive to ensure we own one.

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