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Depending on the material, full color printing may or may not be an option. As of 2014, inventors and manufacturers have developed systems for forming objects from sand and calcium carbonate (forming a synthetic marble ), acrylic powder and cyanoacrylate , ceramic powder and a liquid binder, sugar and water (for making candies), etc.
3D printing, or additive manufacturing, is the construction of a three-dimensional object from a CAD model or a digital 3D model. [1] [2] [3] It can be done in a variety of processes in which material is deposited, joined or solidified under computer control, [4] with the material being added together (such as plastics, liquids or powder grains being fused), typically layer by layer.
Inkjet printer systems like the Objet PolyJet system spray photopolymer materials onto a build tray in ultra-thin layers (between 16 and 30 μm) until the part is completed. Each photopolymer layer is cured with UV light after it is jetted, producing fully cured models that can be handled and used immediately, without post-curing.
PolyJet (PJET) [11] → it is a uv-cured jetted photopolymer to work with acrylic-based and elastomeric photopolymers. Computer numerical controlled machine (CNC) [11] → it is used for manipulating engineering-grade thermoplastics and metals.
The Polyjet Matrix 3D printing technology uses simultaneous jetting of multiple types of modeling materials to create a single piece 3D model. PolyJet is used by automotive, electronics, consumer goods, medical development, and clothing manufacturers, as well as for creating 3D models for use in movies such as Coraline .
Solid ground curing (SGC) is a photo-polymer-based additive manufacturing (or 3D printing) [1] technology used for producing models, prototypes, patterns, and production parts, in which the production of the layer geometry is carried out by means of a high-powered UV lamp through a mask.
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Stereolithography or "SLA" printing is an early and widely used 3D printing technology. In the early 1980s, Japanese researcher Hideo Kodama first invented the modern layered approach to stereolithography by using ultraviolet light to cure photosensitive polymers.
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