Printing tiny batteries A research team from Harvard University and the University of Illinois at Urbana-Champaign has demonstrated the ability to 3D print a battery. This image shows the interlaced stack of electrodes that were printed layer by layer to create the working anode and cathode of a microbattery. (SEM image courtesy of Jennifer A. Lewis.) Cambridge, Mass. – June 18, 2013 – 3D printing can now be used to print lithium-ion microbatteries the size of a grain of sand. To make the microbatteries, a team based at Harvard University and the University of Illinois at Urbana-Champaign printed precisely interlaced stacks of tiny battery electrodes, each less than the width of a human hair. “Not only did we demonstrate for the first time that we can 3D-print a battery; we demonstrated it in the most rigorous way,” said Jennifer A. The results have been published online in the journal Advanced Materials. To print 3D electrodes, Lewis’ group first created and tested several specialized inks.
A Lamp which Produces an Electrical Current as a Result of it’s Kinetic Energy The 3d printed nylon polymer lamp designed by Dr. Margot Krasojević is suspended by a spindle whereby it’s weight and form contribute to the angular momentum vector as it spins along its axis of rotation; it is affected by minor environmental changes such as temperature and air currents which rotate the light along its path of velocity. The light has a motion sensor diode clamped between both suspended 3d printed sections which powers the battery lighting the LED when in motion. As a result of it’s form, the light speeds up tremendously due to it’s conservation of angular momentum, the form of the light reduces it’s rotational inertia affecting it’s rotational speed which must increase to maintain constant angular momentum resulting in a brighter light. The light has been influenced by the physics behind ice skater spinning/a spinning top. -> EVOLO SKYSCRAPERS 2 - Limited Edition Book
Company develops new fiber-reinforced wood, concrete ink for 3D printing Even though 3D printing is an emerging market and technology, aside from Defense Distributed’s gun, it seems like it has hit a plateau. You can make little or somewhat-bigger-than-little figurines, teacups and mugs that often have leaks, or fragile parts — such as gears — that you can include in a working item, but might quickly wear down. One of the things holding 3D printing back is the material used to print objects. A San Francisco-based company, Emerging Objects, has created new printing materials that aren’t just plastic, but composed of wood, concrete, and even salt. For the uninitiated, normal 3D printing is additive. Emerging Objects has developed a wealth of new materials, such as paper (made from recycled newsprint) as well as a printable salt material. Along with giving a new look to 3D-printed objects, Emerging Objects’ new materials are more environmentally friendly than plastics. As for what Emerging Objects envisions its new materials creating?
3D-printed ceramic bricks developed for large-scale construction Nov.1, 2012 After a six-week residency program at the European Ceramic Work Centre in the south of the Netherlands, Brian Peters, co-founder of Amsterdam-based Design Lab Workshop, developed a 3D-printed ceramic bricks project - "Building Bytes". Peters has been working with desktop 3D printers for years and he wanted to use a desktop 3D printer to build large-scale construction. He added a custom extrusion head to produce ceramic bricks using fixed resources (a desktop 3D printer, limited capacity of the material storage system and the properties of clay). This fabrication system, including the materials and technology, allows Building Bytes to be accessible worldwide. These 3D-printed ceramic bricks can be used for building large-scale architectural structures. Ribbed brick applications: Columns, Window or Door Openings Printing time: 15 minutes Layer height: 2mm Material: White earthenware (slip cast recipe) Finish: Raw – unglazed Dimensions: 15cm x 15cm x 4cm "X" brick Interlocking brick
NASA Fires Up Rocket Engine Made of 3-D Printed Parts | Autopia A lab test of the printed injector performed earlier this summer. Photo: NASA NASA hot-fired a rocket engine using an injector fabricated from layers of a nickel-chromium alloy powder. That’s cool. What’s cooler? They used 3-D printing to create it. The injector component is part of the rocket engine that allows the hydrogen fuel and liquid oxygen to pass through to the combustion chamber, where the thrust is produced. “We took the design of an existing injector that we already tested and modified the design so the injector could be made with a 3-D printer,” Brad Bullard, the propulsion engineer responsible for the injector design, explained in a statement from NASA. Using selective laser melting, layers of the nickel-chromium alloy were printed by Directed Manufacturing Inc. of Texas. NASA has big plans for 3-D printing.
Dutch architect to build "endless" house with 3D printer Jan.15, 2013 Dutch architect Janjaap Ruijssenaars (39) from Universe Architecture in Amsterdam designed a one-piece building which will be built on a 3D printer. He hopes the so-called Landscape House can be printed out latest in year 2014. One surface folded in an endless möbius band. Ruijssenaars works together with mathematician and artist Rinus Roelofs to develop this project using 3D printing technology. (Images: Universe Architecture) Ruijssenaars plans to print every piece in size of 6 x 9 meters using a massive 3D printer called D-Shape. Ruijssenaars says Dini has suggested to print out the form only. Together with a Dutch construction company, Ruijssenaars is working with Dini to realize the idea. The landscape house is developed for joining Europan, a European competition of ideas for young spatial designers. The landscape house will be a landscape in the landscape. 本站所有文章版权归3ders.org所有，未经许可不得翻译或转载。
A 3D-printed Moon base baked from lunar dust A possible lunar station near the Moon’s south pole (credit: SinterHab Design Team) Space architects have unveiled a concept for a 3D-printed Moon base called SinterHab near the lunar south pole. Modules would be constructed from lunar dust by microwave sintering and contour crafting, built by a large NASA spider robot. Unlike an earlier, more bulky concept using a mobile printing array of nozzles on a 6 meter frame to spray a binding solution (glue) onto a sand-like building material, the new concept uses microwave sintering to create a solid building material similar to ceramics — no glue requiired. The iron nanoparticles in the lunar dust (produced by space weathering) make it possible to heat the dust up to 1200–1500 degrees C and melt it, even in a domestic microwave oven. When the lunar dust (regolith) is heated and the temperature is maintained below the melting point, particles bond together and the building blocks for the lunar habitat can be created.
3d Printing a Brave New World | Developing Dreams blog Imagine if after an earthquake you could airdrop machines that build houses in under a day. Imagine if you had cheap and accessible medical kits that could produce bespoke medicine on demand. Imagine if you could fabricate shoes, clothes, solar cells, lamps, toilets, pipes, water pumps, and just about anything else on site and at the touch of a button. The scenario is still a fantasy, but could a process called 3D printing ever make it a reality? 3D printing, which has been around since the late 1980s and is also known as rapid prototyping or additive manufacturing, works by scanning or creating a 3D model on your computer then “printing” it successively one very thin layer at a time until a solid object is created. Shoes, prosthetics, jewellery, clothing, machine parts and even human organs have been successfully fabricated using this technology. While the technique was prohibitively expensive and patented until recently, people can now build desktop 3D printers for under 1,000 pounds.