Kinematics is a System for 4D Printin

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KinematicsPosted: November 26th, 2013 | Author: Jesse Louis-Rosenberg | Filed under: 3dprinting, clothing, design, jewelry,

simulation, software | Tags: kinematics | 13 Comments »

Kinematics is a system for 4D printing that creates complex, foldable forms composed of articulated

modules. The system provides a way to turn any three-dimensional shape into a flexible structure

using 3D printing. Kinematics combines computational geometry techniques with rigid body physics

and customization. Practically, Kinematics allows us to take large objects and compress them down

for 3D printing through simulation. It also enables the production of intricately patterned wearables

that conform flexibly to the body.

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Today we are releasing a jewelry collection and an accompanying customization app built upon

our Kinematics concept. We’re also releasing a free to use app for desktop 3D printers.

Kinematics is a branch of mechanics that describes the motion of objects, often described as the

“geometry of motion.” We use the term Kinematics to allude to the core of the project, the use of

simulation to model the movement of complex assemblages of jointed parts.

Kinematics produces designs composed of 10’s to 1000’s of unique components that interlock to

construct dynamic, mechanical structures. Each component is rigid, but in aggregate they behave as

a continuous fabric. Though made of many distinct pieces, these designs require no assembly.

Instead the hinge mechanisms are 3D printed in-place and work straight out of the machine.

This project evolved out of a collaboration with Motorola’s Advanced Technology and Projectsgroup which challenged us to create in-person customization experiences for low cost 3D printers.

The genesis of the project is discussed at length in The Making of Kinematics.

a tale of two apps

We are releasing two web-based applications: Kinematics and a simplified version called Kinematics

@ Home which is completely free to use.

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kinematics@home bracelets printed on a makerbot

The Kinematics app allows for the creation of necklaces, bracelets and earrings. Users can sculpt

the shape of their jewelry and control the density of the pattern. Designs created with Kinematics can

be ordered in polished 3D-printed nylon in a variety of colors.

The Kinematics @ Home app is targeted at people who already have access to a 3D printer. It’s our

first app that allows users to download an STL file for home printing. Enter your wrist size, style your

bracelet and click print to receive a free STL file suitable for printing on a Makerbot or similar desktop

printer.

Kinematics case study: making a dress

Concurrently with the development of the online applications, we’ve been working on a more

advanced software with broader practical applications. Kinematics allows us to design a shape and

then fold it into a more compressed form for 3D printing. Items we’ve created so far are flexible, but

rigid objects could be created by introducing a hinge joint that locks at a preferred angle. Here we

present an example of how Kinematics can be used to create a flexible dress that can be printed in

one piece.



http://n-e-r-v-o-u-s.com/kinematicsHome



The process begins with a 3D scan of the client. This produces an accurate 3D model of the body

upon which we draw the form of the desired dress. For this example, the top of the dress conforms

exactly to the torso, but the skirt has a larger silhouette, allowing for the dress to drape and flow as

the wearer moves.

The surface of the sketched dress is then tessellated with a pattern of triangles. The size of the

triangles can be customized by the designer to produce different aesthetic effects as well as different

qualities of movement in the dress (the smaller the triangle, the more flexible the structure / the more

fabric like it behaves). Next we generate the kinematics structure from the tessellation. Each triangle

becomes a panel connected to its neighbors by hinges. The designer can apply different module

styles to these panels to create further aesthetic effects.



Finally, we compress the design via simulation so it fits into a 3D printer. This means that an entire

gown, much larger than the printer itself, can be produced in a single assembled piece. The

simulation uses rigid body physics to accurately model the folding behavior of the design’s nearly

3,000 unique, interconnected parts and find a configuration that fits inside the volume of the printer.

the collection



kinematics necklaces with smooth, tetra and polygonal modules

Each jewelry design is a complex assemblage of hinged, triangular parts that behave as a continuous

fabric in aggregate. Kinematics jewelry conforms closely to the contours of the human body. This is

21st-century jewelry, designed and manufactured using techniques that did not exist just a few years

ago.

Kinematics pieces come in four styles: smooth, angular, polygonal and tetrahedral. Each design takes

its name from the module style and number of pieces in the design. For example, Tetra Kinematics

174-n is a tetrahedral style necklace composed of 174 unique modules.

We’ve added eighteen Kinematics designs to our shop, and a limited initial run of each is currently

available for purchase. Kinematics jewelry is made of polished 3D printed nylon in a variety of colors.

Necklace, earring and bracelet designs are available; the bracelets and necklaces are fastened simply

and securely with hidden magnetic clasps. Prices for the collection range from $25 to $350 and most



123

pieces cost less than $100.

13 Comments on “Kinematics”

Federico Escobar said at 11:30 am on November 26th, 2013:

Great work! It´s amazing how technology improves and helps designers to generate this kind

of stuff!

DscheyH said at 5:06 pm on November 26th, 2013:

I am thrilled. This is indeed amazing and one of the best customizable designs I have ever

seen. It takes full advantage of digital production and 3D Printing. My kudos!

yslee said at 11:28 pm on November 26th, 2013:

this is awesome!! very flexible and futuristic shape! want to try this some day : )

http://fedemergent.blogspot.com/

http://website/



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Nervous System – explorations in generative design andnatural phenomena » Blog Archive » The Making ofKinematics said at 1:04 pm on November 27th, 2013:

[...] of our projects start with a natural inspiration, but Kinematics emerged from a very

different perspective. This project started with a technical problem: how can [...]

Doug! said at 1:22 pm on November 27th, 2013:

What a great tool! I attempted to use it but I’m unable to download from the

Kinematics@Home designer. I’ve used three different browsers/PCs with no luck.

Kati Byrne said at 6:11 am on November 28th, 2013:

This is the next big thing after 3D printing or involving 3D printing! It’s soooo exciting. I

love it! Thank you so much for sharing some of your stunning designs. I have printed one

of your bracelets in several colours…

Hayashi said at 5:42 pm on November 29th, 2013:

Fantastic !!!!!!!!

Vashti said at 7:30 pm on December 1st, 2013:

This is amazing and futuristic.

Helmut Enslin said at 4:14 pm on December 27th, 2013:

This is what i was searching for months. a modular system to allow small prints on my

small 3d printer with a great effeciency

Erin Robotgrrl: 3Dx2013 Year In Review#AdafruitTopTen #3DThursday #3DPrinting#3DScanning #3D « adafruit industries blog said at8:00 am on January 2nd, 2014:

[...] Kinematics by nervous system [...]

Michael Weinberg: 3Dx2013 Year In Review#AdafruitTopTen #3DThursday #3DPrinting




http://website/

http://www.developingdreams.com/

http://www.printness.com.br/

http://gallery-vercon.com/

http://website/

https://www.adafruit.com/blog/2014/01/02/erin-robotgrrl-3dx2013-year-in-review-adafruittopten-3dthursday-3dprinting-3dscanning-3d/



http://www.adafruit.com/blog/2014/01/02/michael-weinberg-3dx2013-year-in-review-adafruittopten-3dthursday-3dprinting-3dscanning-3d/




11

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#3DScanning #3D « adafruit industries blog said at 4:00pm on January 2nd, 2014:

[...] Nervous System’s Kinematics app: Nervous System’s Kinematics app helped me to start thinking

about new ways to design 3D printed objects and expanded the horizon of what felt possible. [...]

Jesus Valderrama said at 7:56 am on January 3rd,2014:

Congratulations! Your work is really inspiring!

Geekofriendly said at 3:32 am on January 7th, 2014:

Incredible work!

I can truly see the future of mankind through such technological advances:)

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