{"id":36893,"date":"2023-08-18T04:43:41","date_gmt":"2023-08-17T23:13:41","guid":{"rendered":"https:\/\/vajiramandravi.com\/current-affairs\/?p=36893"},"modified":"2025-04-22T08:58:30","modified_gmt":"2025-04-22T03:28:30","slug":"indias-first-3d-printed-post-office-inaugurated","status":"publish","type":"post","link":"https:\/\/vajiramandravi.com\/current-affairs\/indias-first-3d-printed-post-office-inaugurated\/","title":{"rendered":"India\u2019s First 3D-Printed Post Office Inaugurated"},"content":{"rendered":"<h3><strong>What\u2019s in today\u2019s article?<\/strong><\/h3>\n<ul>\n<li><strong>Why in news?<\/strong><\/li>\n<li><strong>What is 3D printing?<\/strong><\/li>\n<li><strong>How is 3D printing done?<\/strong><\/li>\n<li><strong>What are some of the notable examples of 3D printing?<\/strong><\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h2><strong>Why in news?<\/strong><\/h2>\n<ul>\n<li>India\u2019s first 3D-printed post office was virtually inaugurated by Union Minister Ashwini Vaishnaw in Bengaluru\u2019s Cambridge Layout.<\/li>\n<li>Its construction was completed in just 43 days \u2014 two days ahead of the deadline.<\/li>\n<li>Multinational company Larsen &amp; Toubro Limited built the post office with technological support from IIT Madras.<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h2><strong>What is 3D printing?<\/strong><\/h2>\n<ul>\n<li><strong>Background<\/strong>\n<ul>\n<li>Invented in the 1980s, 3D printing burst into the mainstream around the 2010s, when many thought it would take over the world.<\/li>\n<li>The technology, however, at the time was expensive, slow and prone to making errors.<\/li>\n<li>In recent years, some of these flaws have been done away with, making 3D printing more prevalent than ever before.<\/li>\n<\/ul>\n<\/li>\n<li><strong>About<\/strong>\n<ul>\n<li>3D printing, also known as <strong><u>additive manufacturing<\/u><\/strong>, is a process of creating three-dimensional objects from digital models by adding material layer by layer.<\/li>\n<li>It is an additive process, in which layers of a material like plastic, composites or bio-materials are built up to construct objects that range in shape, size, rigidity and colour.<\/li>\n<li>This process allows for more efficient and customized production compared to traditional subtractive manufacturing methods.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h2><strong>How is 3D printing done?<\/strong><\/h2>\n<ul>\n<li><strong>Requirement<\/strong>\n<ul>\n<li>To carry out 3D printing, one needs a personal computer connected to a 3D printer.<\/li>\n<li>All they need to do is design a 3D model of the required object on computer-aid design (CAD) software and press \u2018print\u2019.<\/li>\n<li>The 3D printer does the rest of the job.<\/li>\n<\/ul>\n<\/li>\n<li><strong>Design<\/strong>\n<ul>\n<li>The process begins with creating a digital 3D model of the object one wants to print.<\/li>\n<li>This model can be created using 3D modelling software or obtained through 3D scanning techniques.<\/li>\n<\/ul>\n<\/li>\n<li><strong>Slicing<\/strong>\n<ul>\n<li>The 3D model is sliced into thin horizontal layers using specialized software. Each layer represents a cross-section of the final object.<\/li>\n<\/ul>\n<\/li>\n<li><strong>Preparation<\/strong>\u00a0\n<ul>\n<li>The sliced model is sent to the 3D printer, along with instructions regarding the printing parameters such as layer thickness, print speed, material type, and temperature.<\/li>\n<\/ul>\n<\/li>\n<li><strong>Printing &#8211; <\/strong>The 3D printer reads the instructions and starts the printing process. It uses various methods and technologies, including:\n<ul>\n<li><strong>Fused Deposition Modeling (FDM)<\/strong>\n<ul>\n<li>This is one of the most common 3D printing methods.<\/li>\n<li>It involves extruding molten thermoplastic material through a heated nozzle that moves along the X, Y, and Z axes.<\/li>\n<li>As the material is deposited layer by layer, it cools down and solidifies, forming the final object<strong>.<\/strong><\/li>\n<\/ul>\n<\/li>\n<li><strong>Stereolithography (SLA)<\/strong>\n<ul>\n<li>SLA uses a liquid photopolymer resin that is cured by a UV laser.<\/li>\n<li>The laser selectively solidifies the resin layer by layer, creating intricate and highly detailed objects.<\/li>\n<\/ul>\n<\/li>\n<li><strong>Selective Laser Sintering (SLS<\/strong>)\n<ul>\n<li>In SLS, a laser fuses powdered material (such as plastics, metals, or ceramics) layer by layer.<\/li>\n<\/ul>\n<\/li>\n<li><strong>Powder Bed Fusion (PBF)<\/strong>\n<ul>\n<li>Similar to SLS, PBF uses a laser to selectively melt and fuse powdered materials like metals, plastics, or ceramics.<\/li>\n<li>The difference lies in the process details and the materials used.<\/li>\n<\/ul>\n<\/li>\n<li><strong>Inkjet Printing<\/strong>\n<ul>\n<li>Some 3D printers use inkjet-like technology to deposit material in droplets, which are then cured to form layers.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<li><strong>Layer-by-Layer Construction<\/strong>\n<ul>\n<li>The printer continues to deposit material layer by layer based on the sliced model until the complete object is formed.<\/li>\n<li>Supports might be included for overhanging or intricate parts, and these supports can be removed after printing.<\/li>\n<\/ul>\n<\/li>\n<li><strong>Post-Processing<\/strong>\n<ul>\n<li>Once the printing is complete, there might be some post-processing steps, such as cleaning, curing, sanding, painting, or assembling, depending on the material and desired finish.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h2><strong>What are some of the notable examples of 3D printing?<\/strong><\/h2>\n<ul>\n<li>3D printing is being used in a host of different industries like healthcare, automobile and aerospace.<\/li>\n<li>In May this year, aerospace manufacturing company Relativity Space launched a test rocket made entirely from 3D-printed parts, measuring 100 feet tall and 7.5 feet wide.\n<ul>\n<li>Shortly after its take off, however, it suffered a failure.<\/li>\n<\/ul>\n<\/li>\n<li>At the peak of the Covid-19 pandemic in 2020, the healthcare industry <u>used 3D printers to make much-needed medical equipment, like swabs, face shields, and masks, as well as the parts to fix their ventilator<\/u>s.<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<hr \/>\n<h3><strong>Q1) What is inkjet printing?<\/strong><\/h3>\n<p>Inkjet printing is a popular and versatile digital printing technology used for producing high-quality images and text on various surfaces, including paper, fabric, plastic, and more. It works by propelling tiny droplets of ink onto a substrate (the material being printed on) to create the desired image or text.<\/p>\n<p>&nbsp;<\/p>\n<h3><strong>Q2) What is additive manufacturing?<\/strong><\/h3>\n<p>Additive manufacturing (AM), also known as 3D printing, is a revolutionary manufacturing process that creates three-dimensional objects by adding material layer by layer, as opposed to traditional subtractive manufacturing methods that involve cutting away material from a solid block or molding material into a shape.<\/p>\n<p>&nbsp;<\/p>\n<hr \/>\n<p><strong>Source:\u00a0<\/strong><a href=\"https:\/\/indianexpress.com\/article\/explained\/everyday-explainers\/how-does-3d-printing-work-8898689\/\" target=\"_blank\" rel=\"nofollow noopener\"><u>India\u2019s first 3D-printed post office inaugurated in Bengaluru: How does 3D printing work?<\/u><\/a>\u00a0|\u00a0<a href=\"https:\/\/www.investopedia.com\/terms\/1\/3d-printing.asp#:~:text=Three%2Ddimensional%20(3D)%20printing,then%20fusing%20the%20layers%20together.\" target=\"_blank\" rel=\"nofollow noopener\"><u>Investopedia<\/u><\/a>\u00a0|\u00a0<a href=\"https:\/\/3dprinting.com\/what-is-3d-printing\/\" target=\"_blank\" rel=\"nofollow noopener\"><u>3D Printing.Com<\/u><\/a>\u00a0|\u00a0<a href=\"https:\/\/www.thehindu.com\/news\/cities\/bangalore\/india-first-3d-printed-post-office-is-now-open-for-business-in-bengaluru\/article67208897.ece\" target=\"_blank\" rel=\"nofollow noopener\"><u>The Hindu<\/u><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>3D printing is a process of creating three-dimensional objects from digital models. Learn about India\u2019s first 3D printed post office here.<\/p>\n","protected":false},"author":5,"featured_media":36894,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[18],"tags":[],"class_list":{"0":"post-36893","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-upsc-mains-current-affairs","8":"no-featured-image-padding"},"acf":[],"_links":{"self":[{"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/posts\/36893","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/comments?post=36893"}],"version-history":[{"count":0,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/posts\/36893\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/media\/36894"}],"wp:attachment":[{"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/media?parent=36893"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/categories?post=36893"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/tags?post=36893"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}