Tishitu explains What is 3D Printing:- The term 3D printing originally referred to a process employing standard and custom inkjet print heads. The technology used by most so-called 3D printers to date—especially hobbyist and consumer-oriented models—is fused deposition modeling, a special application of plastic extrusion. The term stereolithography was defined by Charles W. Hull as a "system for generating three-dimensional objects by creating a cross-sectional pattern of the object to be formed"—in a 1984 patent. AM processes for metal sintering or melting (such as SLS, DMLS, SLM, and EBM) usually went by their own individual names in the 1980s and 1990s. Nearly all metalworking production at the time was by casting, fabrication, stamping, and machining; even though plenty of automation was applied to those technologies (such as by robot welding and CNC), the paradigm of a tool or head moving through a 3D work envelope transforming a mass of raw material into a desired shape layer by layer was the sole domain of processes that removed metal (rather than adding it), such as CNC milling, CNC EDM, and many others. The umbrella term additive manufacturing gained wider currency in the decade of the 2000s as the various additive processes matured and it became clear that soon metal removal would no longer be the sole occupant of the aforementioned paradigm. It was during this decade that the term subtractive manufacturing appeared as a retronym for the large family of machining processes with metal removal as their common theme. However, at the time, the term 3D printing still referred only to the polymer technologies in most minds, and the term AM was likelier to be used in metalworking contexts than among polymer/inkjet/stereolithography enthusiasts. By the early 2010s, the terms 3D printing and additive manufacturing developed senses in which they were synonymous umbrella terms for all AM technologies. Although this was a departure from their earlier technically narrower senses, it reflects the simple fact that the technologies all share the common theme of sequential-layer material addition/joining throughout a 3D work envelope under automated control. (Other terms that have appeared, which are usually used as AM synonyms (although sometimes as hypernyms), have been desktop manufacturing, rapid manufacturing as the logical production-level successor to rapid prototyping, and on-demand manufacturing which echoes on-demand printing in the 2D sense of printing.) The 2010s were the first decade in which metal parts such as engine brackets and large nuts would be grown (either before or instead of machining) in job production rather than obligately being machined from bar stock or plate. The term subtractive has not replaced the term machining, instead complementing it when a term that covers any removal method is needed. What is KISSlicer :- KISSlicer is a fast, easy-to-use, cross-platform program that takes 3D files (STL) and generates path information (G-code) for a 3D Printer. The FREE version has all the features needed for the hobbyist who uses a single-head machine. The PRO version essentially adds multi-head and multi-model printing. How to design:- 3D printable models may be created with a computer aided design package or via 3D scanner. The manual modelling process of preparing geometric data for 3D computer graphics is similar to plastic arts such as sculpting. 3D scanning is a process of analysing and collecting digital data on the shape and appearance of a real object. Based on this data, three-dimensional models of the scanned object can then be produced. Both manual and automatic creation of 3D printable models is difficult for average consumers. This is why several 3D printing marketplaces have emerged over the last years To Print a file:- Before printing a 3D model from an STL file, it must first be processed by a piece of software called a "slicer" which converts the model into a series of thin layers and produces a G-code file containing instructions tailored to a specific printer. Several open source slicer programs exist, including Skeinforge, Slic3r, KISSlicer, and Cura. The 3D printer follows the G-code instructions to lay down successive layers of liquid, powder, paper or sheet material to build the model from a series of cross sections. These layers, which correspond to the virtual cross sections from the CAD model, are joined or automatically fused to create the final shape. The primary advantage of this technique is its ability to create almost any shape or geometric feature. Content writeup From Wikipedia:- Contact Us:- http://www.aha3d.in TISHITU ISO: 9001-2008 RESEARCH AND CONSULTANCY CELL OF INDUSTRIAL APPLICATION A Joint Accreditation System of Australia and New Zealand Copyright © All Rights Reserved www.tishitu.net , tishitu@gmail.com Reg No.08122629691/SSI Accreditation No. M3111204IN

• published: 18 Sep 2014
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