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2013 Design for Direct Digital Manufacturing Competition Winners

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Sponsored by the Direct Digital Manufacturing Tech Group of RTAM/SME

 

College/Universities
First Place
Knee Brace (2013 1st Place Winner)

Custom Post Reconstructive ACL Surgery Knee Brace 
Jils George, Annu Kuriakose, Jia Wang and Moustafa Ragab, UMass Lowell, Lowell, Mass.

Synopsis: A custom knee brace was designed by integrating Direct Digital Manufacturing (DDM) technology, to create upper and lower cuffs with minimal assembly, to attach the cuffs to two aluminum joints. Traditional knee braces require extensive machining and assembly to incorporate the padding and strap components. By utilizing Additive Manufacturing (AM) and the multi-material capabilities of the Objet Connex 500 printer, the separate assembly associated with the padding and strap tabs can be eliminated.

Second Place

HOM (2013 2nd Place Winner)

Hand Operated Mixing Cup 
Stephen VandeZande, Chad Steger and Riley Zehner, University of Wisconsin-Platteville, Platteville, Wis.

Synopsis: The hand-operated mixing cup is a mechanically actuated self-stirring cup. The cup consists of three main parts: an exterior cup subassembly, which incorporates the internal steering mechanisms; an interior cup that is responsible for the actual liquid agitation; and a lid. The cup functions by actuating a lever within the handle, which connects a toothed rack that engages a pinion provided at the bottom of the interior cup. Maximum agitation is possible as the interior cup rotates in clockwise and counter-clockwise motion when the actuating lever is pushed back and forth.

Third Place
Camera Stabilizer (2013 3rd Place Winner)

100% 3D Printed Camera Stabilizing System 
Ian Veenstra, Dordt College, Sioux Center, Iowa

Synopsis: For this competition, a product centered on a symbiotic relationship between the social world both physical and digital, the ever-growing world of digital manufacturing and the emotional world, was created, with a specific focus on the social network, YouTube. Just by eliminating the shakiness of shooting a handheld camera, a camera stabilizer was able to make anything look infinitely more professional.

The Task

For 2013, student designers are asked to go beyond “just parts” to utilize additive manufacturing (AM) for the creation of a machine. The result will be a functional mechanism or assembly with moving parts. The geometry of the design must be defined within a three-dimensional (3-D), computer-aided design (CAD) system capable of producing robust STL files. The deliverable shall include a complete bill of material/parts list where file transfer enables reproduction of the device.To learn more about the annual DDM Competition, click here.