{"id":377,"date":"2020-02-17T08:53:00","date_gmt":"2020-02-17T08:53:00","guid":{"rendered":"https:\/\/sed-developments.co.uk\/home\/?p=377"},"modified":"2022-04-27T14:36:39","modified_gmt":"2022-04-27T14:36:39","slug":"introduction-to-3d-printing","status":"publish","type":"post","link":"https:\/\/www.sed-developments.co.uk\/home\/introduction-to-3d-printing\/","title":{"rendered":"An Introduction to 3D Printing"},"content":{"rendered":"\n<h3 class=\"has-text-align-center wp-block-heading\"><strong>An Introduction to 3D Printing and Some Inspiration For You<\/strong><\/h3>\n\n\n\n<p class=\"has-normal-font-size\"><br>If 3D Printing has so far passed you by then where have you been? Never fear &#8211; we\u2019re here to give you an introduction to 3D Printing, this futuristic-yet-here-today phenomenon.<br><br>Until not so long  back, I (Jo, the non-techie part of SED-Developments!) hadn\u2019t seen much <a href=\"https:\/\/www.sed-developments.co.uk\/home\/about-us\/\" target=\"_blank\" rel=\"noopener noreferrer\"><strong>3D printing<\/strong><\/a>. And, where I had, it was in the context of future projects. Like the <a href=\"http:\/\/www.kentonline.co.uk\/tonbridge\/news\/3d-hand-built-by-classmates-38932\/\" target=\"_blank\" rel=\"noopener noreferrer\"><strong>school designing and building a 3D arm for a classmate<\/strong><\/a> for example. My comparative ignorance of all things 3D-print related changed in the summer of 2017 when the techie side of SED-Developments, Richard, bought and built our first 3D printer. <a href=\"https:\/\/www.sed-developments.co.uk\/home\/about-us\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>Find out more about us here<\/strong>. <\/a><br><br>The initial idea was for it to be a project to keep him busy and out of trouble! A bit of a hobby. Y\u2019know? But then we got digging. What could we print? Well! That\u2019s when our little world exploded!<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-full\"><img fetchpriority=\"high\" decoding=\"async\" width=\"700\" height=\"540\" src=\"https:\/\/www.sed-developments.co.uk\/home\/wp-content\/uploads\/2022\/04\/snowplough-feature-header.jpeg\" alt=\"Introduction to 3D Printing - 3D printed snowplough\" class=\"wp-image-22448\" srcset=\"https:\/\/www.sed-developments.co.uk\/home\/wp-content\/uploads\/2022\/04\/snowplough-feature-header.jpeg 700w, https:\/\/www.sed-developments.co.uk\/home\/wp-content\/uploads\/2022\/04\/snowplough-feature-header-300x231.jpeg 300w, https:\/\/www.sed-developments.co.uk\/home\/wp-content\/uploads\/2022\/04\/snowplough-feature-header-520x401.jpeg 520w\" sizes=\"(max-width: 700px) 100vw, 700px\" \/><\/figure><\/div>\n\n\n\n<p><\/p>\n\n\n\n<p><\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>3D Printing &#8211; a lil bit of history<\/strong><\/h4>\n\n\n\n<p class=\"has-normal-font-size\">3D printing is popping up everywhere now. Yet it was first created back in 1983, when <a href=\"https:\/\/uk.3dsystems.com\/our-story\" target=\"_blank\" rel=\"noopener noreferrer\">Charles Hull<\/a>, created the first printer capable of printing an actual part. Back then, it wasn\u2019t called 3D printing, but \u2018Rapid Prototyping\u2019 (catchy) and was a machine used to create prototypes of tools for machines used in manufacturing.<br><br>Rapid Prototyping sped up the prototype process, taking it from 6-8 weeks to mere hours. Inspired, Charles formed the company <strong><em>3D Systems<\/em><\/strong>, in the main using it to market and sell his Rapid Prototyping machines. As with all inventions and innovations for the manufacturing world, Rapid Prototyping sneaked out to the general public. And today? 3D printers are becoming more commonplace. If you can buy one in Argos, that\u2019s a sure sign that 3D printers are destined to become an essential bit of domestic kit before too long.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>How does it work?<\/strong><\/h4>\n\n\n\n<p class=\"has-normal-font-size\">It <em>is<\/em> techie, no doubt about it, but at the same time it\u2019s logical and easy. To print 3D items you need:<\/p>\n\n\n\n<ul class=\"has-normal-font-size wp-block-list\"><li>A 3D printer &#8211; #obvs<\/li><li>A computer with CAD software<\/li><li>A reel of material<\/li><\/ul>\n\n\n\n<p class=\"has-normal-font-size\">The material, will, likely be plastic, and this is where you can choose what type of plastic you want\/need. What\u2019s available includes:<\/p>\n\n\n\n<ul class=\"has-normal-font-size wp-block-list\"><li>PLA which we use for our biscuit\/cookie cutters because it\u2019s food safe<\/li><li><strong><a href=\"https:\/\/en.wikipedia.org\/wiki\/Acrylonitrile_butadiene_styrene\" target=\"_blank\" rel=\"noopener noreferrer\">ABS plastic<\/a> <\/strong>which is harder and a good one to start with<\/li><li>Flex for bendy items. We use it for luggage tags, snow plough tracks \u2013 that sort of thing<\/li><\/ul>\n\n\n\n<p>Choose the colour of your material, and there are loads to choose from. There\u2019s even effects of wood, bronze, gold, and, can you believe it, printing in chocolate is available!! Called filament, the material comes in two sizes, 1.75mm or 3.0mm. We use 1.75mm (which the majority use) as it\u2019s easier to work with.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>Get printing<\/strong><\/h4>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"alignright\"><img decoding=\"async\" width=\"300\" height=\"300\" src=\"https:\/\/sed-developments.co.uk\/home\/wp-content\/uploads\/2018\/03\/Donkey-Collage1-300x300.jpg\" alt=\"Donkey Cookie Cutters - introduction to 3d printing\" class=\"wp-image-391\" title=\"Donkey 3D Printed Cookie Cutter\" srcset=\"https:\/\/www.sed-developments.co.uk\/home\/wp-content\/uploads\/2018\/03\/Donkey-Collage1-300x300.jpg 300w, https:\/\/www.sed-developments.co.uk\/home\/wp-content\/uploads\/2018\/03\/Donkey-Collage1-130x130.jpg 130w, https:\/\/www.sed-developments.co.uk\/home\/wp-content\/uploads\/2018\/03\/Donkey-Collage1.jpg 500w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/figure><\/div>\n\n\n\n<p class=\"has-normal-font-size\">The next job is to decide what to print. You\u2019ll need to create an STL file. STL stands for stereolithography file. In the main, Computer Aided Design (CAD) software packages use these files. You can create an STL file through a CAD program &#8211; we use Tinkercad. When you have your STL file you\u2019ll need to \u2018slice\u2019 the image. This is exactly as it says on the tin. &nbsp;To enable the 3D printer to create your design it needs to be able to print a slice of the design at a time.<\/p>\n\n\n\n<p class=\"has-normal-font-size\">To slice our designs, we use a program called Cura, which \u2018translates\u2019 the STL into a Gcode file. Once you have your Gcode file, you can upload this to your 3D printer. You\u2019ll need a program to transfer the Gcode file to the computer you use, within your 3D printer. Our 3D printers run with Raspberry Pi\u2019s.<\/p>\n\n\n\n<p class=\"has-normal-font-size\">Yes, it sounds complicated, but it truly isn\u2019t. Off the shelf packages such as the <strong><a href=\"https:\/\/www.dremel.com\/gb\/en\/p\/dremel-digilab-3d-printer-3d40-3d40-01-v693\" target=\"_blank\" rel=\"noreferrer noopener\">Dremel 3D40 Printer<\/a><\/strong> make all this easier.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>What do you need?<\/strong><\/h4>\n\n\n\n<p class=\"has-normal-font-size\">Research your 3D printer to get the one that\u2019ll do what you want. We\u2019re a little hardcore (not as detailed as some!) and have one where we can adjust settings, flow of material etc. If you\u2019re new to it all and not technically minded, a more all-encompassing model would be better.<\/p>\n\n\n\n<p class=\"has-normal-font-size\">Filament, as we mentioned comes in all colours, two sizes (1.75mm or 3.0mm) on a reel, of which there are lots of weights. Find programs to create your designs, slice your designs and transfer those designs to your printer and away you go.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>Need some inspiration?<\/strong><\/h4>\n\n\n\n<p class=\"has-normal-font-size\">We wouldn&#8217;t be doing a proper Introduction to 3D Printing without showing you what&#8217;s out there. When Richard first started out (not that we\u2019re that much of an expert), he\u2019d loiter on <a href=\"https:\/\/www.thingiverse.com\/\" target=\"_blank\" rel=\"noopener noreferrer\"><strong>Thingiverse<\/strong><\/a>, lusting after objects to print. From here he\u2019s printed tea-light votives, pen holders, luggage tags, the list goes on; it\u2019s a brilliant site for inspiration. Most creators provide a download and instructions (settings etc) so you can print the item. And if you get hooked, and want to print items to sell, you can use designs from Thingiverse. Do check the licensing though and accredit as necessary.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>Check out these websites to get you going<\/strong><\/h4>\n\n\n\n<p class=\"has-normal-font-size\"><a href=\"https:\/\/www.shapeways.com\/\" target=\"_blank\" rel=\"noopener noreferrer\"><strong>Shapeways<\/strong><\/a> \u2013 you design a 3D item and send the files to them, they\u2019ll print the item for you and send it back! So you don\u2019t need a printer &#8211;\u00a0 your imagination is enough.<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"alignright\"><a href=\"http:\/\/www.3dshook.com\/\" rel=\"noopener noreferrer\"><img decoding=\"async\" width=\"300\" height=\"300\" src=\"https:\/\/sed-developments.co.uk\/home\/wp-content\/uploads\/2018\/03\/Pibo-300x300.jpg\" alt=\"Bill box from 3D Shook - Introduction to 3D Printing\" class=\"wp-image-382\" srcset=\"https:\/\/www.sed-developments.co.uk\/home\/wp-content\/uploads\/2018\/03\/Pibo-300x300.jpg 300w, https:\/\/www.sed-developments.co.uk\/home\/wp-content\/uploads\/2018\/03\/Pibo-130x130.jpg 130w, https:\/\/www.sed-developments.co.uk\/home\/wp-content\/uploads\/2018\/03\/Pibo.jpg 580w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><figcaption>PIBO from 3d Shook<\/figcaption><\/figure><\/div>\n\n\n\n<p class=\"has-normal-font-size\"><a href=\"http:\/\/www.3dshook.com\/\" target=\"_blank\" rel=\"noopener noreferrer\"><strong>3D Shook<\/strong><\/a> \u2013 A place for designs to print for the home. Their selling point is that they vet and curate the creations so it doesn\u2019t feel like a 3D Printing \u2018jumble sale\u2019. Other sites, Thingiverse, for example, allow members to upload all or any items they\u2019ve made. 3D Shook charge for patterns and schematics.<\/p>\n\n\n\n<p class=\"has-normal-font-size\"><a href=\"https:\/\/www.youmagine.com\/\" target=\"_blank\" rel=\"noopener noreferrer\"><strong>Youmagine<\/strong><\/a> \u2013 a place with over 1200 projects, which you can download, remix, or customize. These are individuals and groups submitting designs, complete with schematics and instructions. Quite a few of the designers, sell their final creations via Shapeways. Which means, again, you don\u2019t have to own a 3D printer.<\/p>\n\n\n\n<p class=\"has-normal-font-size\"><a href=\"https:\/\/www.wevolver.com\" target=\"_blank\" rel=\"noopener noreferrer\"><strong>Wevolver<\/strong><\/a> \u2013 is a little more advanced and geared towards \u2018electronics and other complex projects\u2019. Here you\u2019ll find robotics, drones, etc. And you\u2019ll see people who have printed their own printers! All you need to complete this cute robot, is a screwdriver! (Ooh and probably a 3D printer!)<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter\"><a href=\"https:\/\/www.wevolver.com\/kazuyuki.takase\/plen2\/blob\/master\/documentation.md\" rel=\"noopener noreferrer\"><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"169\" src=\"https:\/\/sed-developments.co.uk\/home\/wp-content\/uploads\/2018\/03\/Plen2-Desk-Robot-300x169.png\" alt=\"Plen 2 - Introduction to 3D Printing\" class=\"wp-image-383\" srcset=\"https:\/\/www.sed-developments.co.uk\/home\/wp-content\/uploads\/2018\/03\/Plen2-Desk-Robot-300x169.png 300w, https:\/\/www.sed-developments.co.uk\/home\/wp-content\/uploads\/2018\/03\/Plen2-Desk-Robot-768x432.png 768w, https:\/\/www.sed-developments.co.uk\/home\/wp-content\/uploads\/2018\/03\/Plen2-Desk-Robot-1024x576.png 1024w, https:\/\/www.sed-developments.co.uk\/home\/wp-content\/uploads\/2018\/03\/Plen2-Desk-Robot.png 1280w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><figcaption>Plen 2 from Wevolver<\/figcaption><\/figure><\/div>\n\n\n\n<p class=\"has-normal-font-size\">Most of the above sites are communities, where like-minded creators are sharing their designs for you to view, and have a go at printing.<br><br>Once you own a 3D Printer, (whatever model best suits you), you\u2019ll want to design your own 3D printing projects. Check out these tutorials &#8211; they\u2019re a great way of learning what you can do.<\/p>\n\n\n\n<p><\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>Don\u2019t Miss:<\/strong><\/h4>\n\n\n\n<p class=\"has-normal-font-size\"><a href=\"https:\/\/all3dp.com\/meshmixer-tutorial\/\" target=\"_blank\" rel=\"noopener noreferrer\"><strong>MeshMixer Tutorial for 3D Printing Beginners<\/strong><\/a><br><br><a href=\"https:\/\/www.tinkercad.com\/learn\/\" target=\"_blank\" rel=\"noopener noreferrer\"><strong>Tinkercad Tutorial Step by Step Lessons<\/strong><\/a><br><br><a href=\"https:\/\/www.sketchupschool.com\/sketchup\/3d-printing\" target=\"_blank\" rel=\"noopener noreferrer\"><strong>Sketchup Tutorial for 3D Printing<\/strong><\/a><\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>Is it worth getting one?<\/strong><\/h4>\n\n\n\n<p class=\"has-normal-font-size\">It is, if you love to design and creating. You want those ideas to become a reality. If you want an adventure in your own home! If you have children, you\u2019ll enjoy the educational element of 3D printing.<br><br>There\u2019s no denying that the printers can be a bit fiddly. They\u2019re also temperamental, and using Tinkercad has been a very steep learning curve. I\u2019ve printed into thin air more times than I\u2019d like! And yet they\u2019re the most fun we\u2019ve had in ages! 3D printing is here to stay.<br><br>If a printer scares you a little, that\u2019s ok, because there are 3D pens around, which are worth investing in. You won\u2019t be able to create big projects, but with a pen you\u2019ll be able to create the smaller, funkier items. Earrings, anyone? We\u2019re currently using the <a href=\"https:\/\/www.amazon.com\/Printing-Homecube-Intelligent-Childrens-Development\/dp\/B01HRRWYPM\" target=\"_blank\" rel=\"noopener noreferrer\"><strong>Homecube Stereo Drawing Pen<\/strong><\/a>, which we\u2019ve found works well, and forgives most mistakes! If you\u2019re lost for inspiration, there are plenty of 3D pen templates around, anything from the Eiffel Tower to the lovely <strong><a href=\"https:\/\/www.printerpen.nl\/templates\" target=\"_blank\" rel=\"noopener noreferrer\">template<\/a> y<\/strong>ou see below.<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"386\" height=\"515\" src=\"https:\/\/www.sed-developments.co.uk\/home\/wp-content\/uploads\/2018\/03\/drawnlady.jpg\" alt=\"Introduction to 3D printing - drawn lady\" class=\"wp-image-387\" srcset=\"https:\/\/www.sed-developments.co.uk\/home\/wp-content\/uploads\/2018\/03\/drawnlady.jpg 386w, https:\/\/www.sed-developments.co.uk\/home\/wp-content\/uploads\/2018\/03\/drawnlady-225x300.jpg 225w\" sizes=\"(max-width: 386px) 100vw, 386px\" \/><\/figure><\/div>\n\n\n\n<p><\/p>\n\n\n\n<p>So we say, go on, invest and create to your heart\u2019s desires! Hope you&#8217;ve enjoyed our introduction to 3D Printing.<\/p>\n\n\n\n<p>When you get creating, send us your pictures and we\u2019ll feature them on our <strong><a href=\"https:\/\/www.facebook.com\/SEDdevelopments\/\" target=\"_blank\" rel=\"noopener noreferrer\">Facebook<\/a> <\/strong>and <a href=\"https:\/\/www.instagram.com\/seddevelopments\/\" target=\"_blank\" rel=\"noopener noreferrer\"><strong>Instagram<\/strong><\/a> pages.<\/p>\n\n\n\n<figure class=\"wp-block-gallery columns-3 is-cropped wp-block-gallery-1 is-layout-flex wp-block-gallery-is-layout-flex\"><ul class=\"blocks-gallery-grid\"><li class=\"blocks-gallery-item\"><figure><img loading=\"lazy\" decoding=\"async\" width=\"628\" height=\"472\" src=\"https:\/\/www.sed-developments.co.uk\/home\/wp-content\/uploads\/2018\/03\/vikingring.jpg\" alt=\"\" data-id=\"386\" class=\"wp-image-386\" srcset=\"https:\/\/www.sed-developments.co.uk\/home\/wp-content\/uploads\/2018\/03\/vikingring.jpg 628w, https:\/\/www.sed-developments.co.uk\/home\/wp-content\/uploads\/2018\/03\/vikingring-300x225.jpg 300w\" sizes=\"(max-width: 628px) 100vw, 628px\" \/><\/figure><\/li><li class=\"blocks-gallery-item\"><figure><img loading=\"lazy\" decoding=\"async\" width=\"2199\" height=\"1238\" src=\"https:\/\/www.sed-developments.co.uk\/home\/wp-content\/uploads\/2018\/03\/shoe.jpg\" alt=\"\" data-id=\"385\" class=\"wp-image-385\" srcset=\"https:\/\/www.sed-developments.co.uk\/home\/wp-content\/uploads\/2018\/03\/shoe.jpg 2199w, https:\/\/www.sed-developments.co.uk\/home\/wp-content\/uploads\/2018\/03\/shoe-300x169.jpg 300w, https:\/\/www.sed-developments.co.uk\/home\/wp-content\/uploads\/2018\/03\/shoe-768x432.jpg 768w, https:\/\/www.sed-developments.co.uk\/home\/wp-content\/uploads\/2018\/03\/shoe-1024x576.jpg 1024w\" sizes=\"(max-width: 2199px) 100vw, 2199px\" \/><\/figure><\/li><li class=\"blocks-gallery-item\"><figure><img loading=\"lazy\" decoding=\"async\" width=\"710\" height=\"528\" src=\"https:\/\/www.sed-developments.co.uk\/home\/wp-content\/uploads\/2018\/03\/robbie-Bird.jpg\" alt=\"\" data-id=\"384\" class=\"wp-image-384\" srcset=\"https:\/\/www.sed-developments.co.uk\/home\/wp-content\/uploads\/2018\/03\/robbie-Bird.jpg 710w, https:\/\/www.sed-developments.co.uk\/home\/wp-content\/uploads\/2018\/03\/robbie-Bird-300x223.jpg 300w\" sizes=\"(max-width: 710px) 100vw, 710px\" \/><\/figure><\/li><li class=\"blocks-gallery-item\"><figure><img loading=\"lazy\" decoding=\"async\" width=\"580\" height=\"580\" src=\"https:\/\/www.sed-developments.co.uk\/home\/wp-content\/uploads\/2018\/03\/learning-tiles.jpg\" alt=\"\" data-id=\"381\" class=\"wp-image-381\" srcset=\"https:\/\/www.sed-developments.co.uk\/home\/wp-content\/uploads\/2018\/03\/learning-tiles.jpg 580w, https:\/\/www.sed-developments.co.uk\/home\/wp-content\/uploads\/2018\/03\/learning-tiles-130x130.jpg 130w, https:\/\/www.sed-developments.co.uk\/home\/wp-content\/uploads\/2018\/03\/learning-tiles-300x300.jpg 300w\" sizes=\"(max-width: 580px) 100vw, 580px\" \/><\/figure><\/li><li class=\"blocks-gallery-item\"><figure><img loading=\"lazy\" decoding=\"async\" width=\"628\" height=\"472\" src=\"https:\/\/www.sed-developments.co.uk\/home\/wp-content\/uploads\/2018\/03\/bagcarrier.jpg\" alt=\"\" data-id=\"380\" class=\"wp-image-380\" srcset=\"https:\/\/www.sed-developments.co.uk\/home\/wp-content\/uploads\/2018\/03\/bagcarrier.jpg 628w, https:\/\/www.sed-developments.co.uk\/home\/wp-content\/uploads\/2018\/03\/bagcarrier-300x225.jpg 300w\" sizes=\"(max-width: 628px) 100vw, 628px\" \/><\/figure><\/li><li class=\"blocks-gallery-item\"><figure><a href=\"https:\/\/www.sed-developments.co.uk\/home\/introduction-to-3d-printing\/image\/\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"576\" src=\"https:\/\/www.sed-developments.co.uk\/home\/wp-content\/uploads\/2022\/04\/image-1024x576.jpeg\" alt=\"\" data-id=\"22452\" data-full-url=\"https:\/\/www.sed-developments.co.uk\/home\/wp-content\/uploads\/2022\/04\/image.jpeg\" data-link=\"https:\/\/www.sed-developments.co.uk\/home\/introduction-to-3d-printing\/image\/\" class=\"wp-image-22452\" srcset=\"https:\/\/www.sed-developments.co.uk\/home\/wp-content\/uploads\/2022\/04\/image-1024x576.jpeg 1024w, https:\/\/www.sed-developments.co.uk\/home\/wp-content\/uploads\/2022\/04\/image-300x169.jpeg 300w, https:\/\/www.sed-developments.co.uk\/home\/wp-content\/uploads\/2022\/04\/image-768x432.jpeg 768w, https:\/\/www.sed-developments.co.uk\/home\/wp-content\/uploads\/2022\/04\/image-1536x865.jpeg 1536w, https:\/\/www.sed-developments.co.uk\/home\/wp-content\/uploads\/2022\/04\/image-2048x1153.jpeg 2048w, https:\/\/www.sed-developments.co.uk\/home\/wp-content\/uploads\/2022\/04\/image-520x293.jpeg 520w, https:\/\/www.sed-developments.co.uk\/home\/wp-content\/uploads\/2022\/04\/image-740x417.jpeg 740w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/a><\/figure><\/li><\/ul><\/figure>\n\n\n\n<p>And see also over on Born Again Swindonian:<\/p>\n\n\n\n<p class=\"has-normal-font-size\"><a href=\"https:\/\/swindonian.me\/2019\/04\/17\/additive-manufacturing-3d-printing-how-it-all-began\/\" target=\"_blank\" rel=\"noreferrer noopener\">https:\/\/swindonian.me\/2019\/04\/17\/additive-manufacturing-3d-printing-how-it-all-began\/<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Welcome to our Introduction to 3D Printing at home. 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