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Design News, January 2013

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Open HMIs in 3 New Sizes! 7", 12", and 15" Hi-Res Displays Microsoft Windows® Embedded CE 6.0 Aluminum enclosure 800Mhz RISC processor Built-in Ethernet Serial and USB ports Built-in apps: Web Browser Media Player Word viewer PDF viewer PowerPoint viewer Visit our website for complete details Every Machine Needs The Human Touch maplesystems.com Call: 425-745-3229 as easy as possible while helping people create complex and difficult models. "The software emphasizes interactive creation, where users learn by playing with the software and experimenting with parts until they get something they like." To get new users started with this process, the software comes with a few project kits (a house, a train, and a robot) for modeling and possible expansion. Experimenting with these kits can give users a feel for the software's mechanics. For example, using pieces available from the robot kit, users can scale and manipulate the parts and use the system's snap feature to build their own robot. Autodesk has done its best to give users a way to get their 3D model printed. Files can be saved and transferred as .stl files, which is currently the most common type of file read by 3D printers. Autodesk has also integrated its technology with three different printing companies (for now). Sculpteo, Shapeways, and i.materialize will print your designs and models and ship them directly to your house. The procedure involves uploading your designs and following step-by-step instructions to have your model printed just they way you want it. Autodesk has been leading the way in the design community for 30 years. Recognizing the growing popularity and use of 3D printers, it "wanted to have a solid foundation in the community in which it could build on." The 123D family provides that foundation. Using this software, more people (experienced or amateur) can create 3D models of anything they can imagine. More people than ever before have the ability to design and create like professionals. Autodesk recently bought instructables, an online community where people share what they have built and how they built it. There is nothing more motivating that the accolades of the Internet masses. —Cabe Atwell, Contributing Editor, Design Hardware & Software For More Information: Autodesk: http://usa.autodesk.com Design Hardware & Software 3D-Printed Weapons & the Consequences A 3D-printed gun has been test fired, and it works. Is it an engineering marvel or a disaster waiting to happen? at-home 3D printing is on the rise, and what was once just a lofty promise is now a reality. More and more hobbyists are acquiring affordable printers, such as the Makerbot Replicator 2 and the RapMan Universal 3D (single/ dual head) printer, to manufacture just about everything from toys to working clocks. Some hobbyists have used these printers for fast-prototyping items that are controversial — or even deadly. It comes as no surprise that some would attempt to replicate weapons systems (or at least parts of them) in an effort to create a fully functional gun. It's not exactly clear who was the first to fabricate a firearm using a 3D printer, but one example that has garnered global attention is "Have Blue," who designed an AR-15 lower receiver (converted to fire .22 ammunition), using a CAD file in the SolidWorks file format that is openly available from CNC Gunsmithing. After a few modifications to the original file, he set to work fabricating the receiver using around $30 of ABS filament fed through his Stratasys printer. After prototyping a smallscale model, he fabricated the full-size receiver and used it to fire 200 rounds without catastrophic failure. The proof of concept of manufacturing a 3D-printed weapon was a complete success. Now the door is open for others to try their hand at the home weapons manufacturing business. A group of hobbyists (most of them college students) have banded together to form a company known as Defense Distributed to expand on Design News | jaNuary 2013 | www.d esign n ews.com –40–

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