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May 2015 / deskeng.com Diagnostic Device Design P.19 Dynamic Response Analysis P.40 TECHNOLOGY FOR DESIGN ENGINEERING Hybrid 3D Printing P.28 FOCUS ON: Medical Industry 3D Printing Medical Miracles P.14 ENTRY-LEVEL WORKSTATIONS P.36 3D SCANNING INNOVATIONS P.50 CONCEPTUAL DESIGN SOFTWARE P.46 Ferrari Takes a Victory Lap With ANSYS Victories by Ferrari. Simulation by ANSYS. Realize Your Product Promise® Winners demand the best. Ferrari would know. It has one of the best racing records the world over. Using ANSYS simulation technology, Ferrari is realizing its product promise by optimizing critical aspects of its race cars, like brake cooling systems and full-body aerodynamics, to better handle the twists and turns of the racing world. Sounds like Ferrari is in the driver’s seat. Visit ANSYS.COM/Ferrari to learn how simulation software can help you realize your product promise. Heavyweight simulation. Lightweight parpartppapartsaartsrtsrttss. AcAchieAchAAchievinAchieviAchichievingchhievingievingievingevvingiingnngg yyouoouruurr pprogrprprogrrogramoogramgrggramrramaamm ggoagoalgooaooalsaalslsls of lighter, sstrongstronstrstrongettrongerronrongerroongernngerggereerr ddedesigndesiesiesignsessignsiignsggnsnsns in leessssss timettimtiiimememe jjusjuusust gotot a llitlilittlitittleittletttlellee eeaseasieasieeasieraasierssieriieiererer. HyperWorks® and solidThinking® Inspire have been enhanced with new capabilities created specifically for the aerospace industry, including more modeling control, greater analysis power and the optimization leadership you expect from Altair. Learn more at altair.com/aero INNOVATION INTELLIGENCE® Degrees of Freedom by Jamie J. Gooch Customization is Crucial eing able to design and 3D print your own, custom (See page 14 and rapidreadytech.com/category/medical for cellphone case is cool. Being able to have a pair of more.) To bring that research out of the labs and into hospitals earphones designed exclusively to fit your ears and will require the usual development cycle all new products go custom printed in a few days is amazing. But being through, plus meeting extensive safety regulations. In the U.S., Bable to create custom prosthetics, implants and patient-specific regulators are well aware of the promise of 3D printing. surgical models are life-changing, and in some cases, life-sav- ing applications of 3D printing. Government Support Every day, medical professionals are using 3D printers to cre- There are a number of online exchanges that allow anyone to ate customized, personalized solutions for an array of medical download a model they can then 3D print. The National Insti- problems, and there’s more to come. Research firm IDTechEx ex- tutes of Health (NIH) has launched the NIH 3D Print Exchange pects the dental and medical market for 3D printers to expand by because “few scientific 3D-printable models are available online, 365% to $867 million by 2025. Transparency Market Research and the expertise required to generate and validate such models predicts the medical 3D printing market will grow at a compound remains a barrier,” according to the site. The Exchange enables annual growth rate of 15.4% to reach $965.5 million in 2019. searching, browsing, downloading and sharing of biomedical files of cells, bacteria, viruses, molecules and anatomical models that Pushing the Boundaries can be 3D printed. The site also includes downloadable video tu- Researchers are already pushing beyond the initial medical torials and instructions on how to use 3D modeling software, and 3D printing applications like spinal braces, knee implants illustrated workflows to create 3D-printable models from data. and dental molds. For example: Last fall the U.S. Food and Drug Administration (FDA) • Oxford Performance Materials (OPM), which develops hosted a public workshop called “Additive Manufacturing of poly-ether-ketone-ketone (PEKK) materials used in 3D printing Medical Devices: An Interactive Discussion on the Technical implants, is working with Yale University on 10 projects involving Considerations of 3D Printing.” The workshop brought together representatives from the FDA, medical device manufactures, ad- ditive manufacturing companies and academia. The agency used 3D printing enables patient- the workshop to seek input on how to evaluate 3D-printed medi- specific medical applications. cal devices. (On-demand webcasts and transcripts are available here: http://goo.gl/GxQSyd). At a medical conference last year, Steven Pollack, director direct tissue attachment for cranial and facial surgery, prostheses of the Office of Science & Engineering Labs at the FDA, said for rib replacement, and 3D printed PEKK devices to deliver the agency wants to be aware of the challenges involved in 3D therapeutics and antibiotics. printing and won’t regulate things that don’t need regulation, • A research team led by scientists at Dalhousie University but does need to know where to “take a deeper dive.” and the Nova Scotia Cancer Center has investigated the use of The U.S. Department of Health and Human Services is 3D printing as part of modulated electron radiation therapy to awarding up to $3 million in grants in 2015 through the Eunice create custom devices that shield some areas from the cancer Kennedy Shriver National Institute of Child Health and Human treatment, but also to ensure an even distribution of radiation in Development to advance the use of 3D printers for the produc- the targeted area. tion of medical devices. The grants are specifically intended to • Researchers at Brigham and Women’s Hospital are develop- support research to develop 3D printers, polymers and processes ing a method that allows for the creation of viable blood vessels to produce premature- and neonatal-specific devices. in 3D-printed organs. As with any innovation, government regulations can be a hin- • Researchers at Drexel University have begun to use 3D drance to widespread adoption or provide a boost to acceptance. printers to artificially manufacture cancerous tumors. Doctors The federal government’s initial efforts show that it intends to intend to use the tumors for medical testing and drug trials. support 3D printing as an avenue toward high-quality, personal- • A team of scientists used 3D printing to create a membra- ized health care. DE nous sleeve that can surround a heart to provide monitoring and cardiac assistance. Jamie Gooch is the editorial director of Desktop Engineering. The list of 3D printing medical research goes on and on. Contact him at [email protected]. 2 DESKTOP ENGINEERING May 2015 /// deskeng.com Smarter Embedded Designs, Faster Deployment The combination of NI LabVIEW system design software and reconfi gurable I/O LabVIEW system dessigng (RIO) hardware helps small design teams with varied expertise develop demanding software offers ultimamatee embedded applications in less time. Using this graphical system design approach, fl exibility through FFPPGA programming, simplsimpliifi es you can take advantage of the same integrated platform to program embedded code reuse, and helps processors and FPGAs for faster application development in industries ranging you program the way you from energy to transportation, manufacturing, and life sciences. think–graphically. >> Accelerate your productivity at ni.com/embedded-platform 800 453 6202 ©2013 National Instruments. All rights reserved. LabVIEW, National Instruments, NI, and ni.com are trademarks of National Instruments. Other product and company names listed are trademarks or trade names of their respective companies. 12118 May 2015 VOLUME 20/ISSUE 9 3D Printing: The Next ENGINEERING SERVICES 14 Medical Miracle? 3D printing is driving innovations 34 Find Engineering Services Fast The Engineering Services Directory arranges a host of in surgical training, implants FRPSDQLHVWRDVVLVWZLWKWKHGHVLJQZRUNÁRZ and prosthetic devices that are By Jess Lulka improving patient care while reducing risk and cost. ENGINEERING COMPUTING By Beth Stackpole 36 Professional Machines at Consumer Pricing? Entry-level workstations are challenging the notion of unaffordable professional hardware. By Kenneth Wong SIMULATE 40 Practical Dynamic Response Analysis Hints and tips to solve transient analysis and the data it produces. By Tony Abbey 44 Around the World in 12 Legs Solar Impulse’s solar-powered aircraft is PROTOTYPE designed to circumnavigate the globe. By Brian Benton 28 Hybrid 3D Printing: What You Need to DESIGN Know Now Long-time technology rivals 46 Fit, Form or Function? subtractive and additive Your choice of conceptual design tools should manufacturing now partner be guided by one of these three objectives. to enable design engineers By Kenneth Wong to break through traditional constraints. By Lauren Gibbons Paul FOCUS ON THE MEDICAL INDUSTRY 31 Rapid Prototyping & 19 Designing Space-Age Diagnostic Devices Manufacturing Profiles Qualcomm Tricorder XPRIZE teams are creating medical devices inspired by “Star Trek” technology. Learn about the latest industry technology in this special sponsored section. By Michael Belfiore 22 Diversity in Medical 50 Capturing Reality New technologies are Simulation Applications Computer analysis of man and machines is bridging the gap changing how we offer health care. between digital and physical design. By Pamela J. Waterman By Brian Albright 53 Fast Apps Researchers use PTC Creo to advance artificial heart development, ON THE COVER: A 3D model of a heart produced with 3D-printed ear protheses help those with hearing loss and Weinmann Materialise’s