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3D printer lets users create chocolates in shapes of their choice

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July 5, 2011

Scientists have created a 3D printer that makes chocolates in shapes determined by the use...

Scientists have created a 3D printer that makes chocolates in shapes determined by the user (Photo: EPSRC)

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If you're trying to woo that special someone, instead of just bringing them a box of ordinary chocolates, how about a box of chocolates that look like you? You're right, that would just be creepy, but chocolates formed into user-defined shapes are nonetheless now a possibility, thanks to a 3D chocolate printer developed at the University of Exeter.

Instead of being a product that people would buy and keep in their homes, the developers of the printer see it being owned by candy-making companies. Customers would submit their designs via a web interface (which is currently in development), then the company would print out the chocolates and deliver them. Less imaginative users could also view existing designs, and copy or modify them.

"What makes this technology special is that users will be able to design and make their own products" said lead researcher Dr. Liang Hao. "In the long term it could be developed to help consumers custom-design many products from different materials but we've started with chocolate as it is readily available, low cost and non-hazardous ... In future, this kind of technology will allow people to produce and design many other products such as jewelry or household goods. Eventually we may see many mass produced products replaced by unique designs created by the customer."

Examples of chocolates created by the 3D chocolate printer (Photo: EPSRC)

Like most 3D printers, the device works by depositing successive layers of the building material. Chocolate presented a challenge, however, as it requires precise heating and cooling cycles. The Exeter team therefore had to create new temperature and heating control systems, in order to keep the chocolate liquid enough to work with, yet cool enough that it would set upon deposition.

The University of Exeter is developing the 3D chocolate printer in collaboration with Brunel University and software developer Delcam. The project is funded by the Research Council UK Cross-Research Council Programme - Digital Economy and is managed by the Engineering and Physical Sciences Research Council.

About the Author
Ben Coxworth An experienced freelance writer, videographer and television producer, Ben's interest in all forms of innovation is particularly fanatical when it comes to human-powered transportation, film-making gear, environmentally-friendly technologies and anything that's designed to go underwater. He lives in Edmonton, Alberta, where he spends a lot of time going over the handlebars of his mountain bike, hanging out in off-leash parks, and wishing the Pacific Ocean wasn't so far away.   All articles by Ben Coxworth
7 Comments

Mmmmmmmmmmmmmmm FOOD PORN.....

Can it make a life size copy of my naked girlfriend?

Mr Stiffy
5th July, 2011 @ 07:07 pm PDT

Ha, they're clever enough to build a 3D chocolate printer, but they misspelled "CHOCALATE".

Still, eating chocolate printouts of Mario would be amazing.

baringmo
6th July, 2011 @ 06:30 am PDT

Looks promising, but how precise will it work. Saw on the Design Academy Eindhoven last graduation similar project in plastic, http://www.gimmii.nl/endless-stoelen-dirk-vander-kooij.html could the chocolate printer be programmed to make these kind of sculpters?

Regards

No49-Chocolate

Hans Beumer
6th July, 2011 @ 11:15 am PDT

Chocolate? Really? I think if they used plastics for something more usefull like replacement parts for old Fiat lights or toy repairs. Or even prosthetics. then WOW but chocolate. I think my honey would prefer that I hand made the chocolate, way more romantic.

Herbal Orgasm
6th July, 2011 @ 03:02 pm PDT

@ Mr Stiffy. Sure, send me a photo and I'll organize it for you! 8^)

warren52nz
6th July, 2011 @ 04:14 pm PDT

Nothing new here with the material. The RepRap and Fab@Home build it yourself 3D printers have been able to run chocolate for a few years, almost since those projects started.

Gregg Eshelman
7th July, 2011 @ 04:42 pm PDT

@Hans Beumer - 3D printers using plastics already exist.

HappyPhil
8th July, 2011 @ 03:09 pm PDT
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