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Forget Z Layers - Just Fold Instead! « Fabbaloo

Forget Z Layers – Just Fold Instead!

By on May 1st, 2010 in Ideas

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The fundamental premise of 3D printing is layers. We add them a fraction of a millimetre at a time, be it with plastic, powder or some expensive goop, it is the basis of all 3D printing. Even the software assumes this is the case as it slices our 3D models into layers suitable for printing. 
 
And now we hear of a completely different approach: Folding. Technology Review’s article describes a technique where:
 
The technique involves making latticed sheets from ceramic ink, then folding and heating these sheets to create intricate shapes. The method could be used to make lightweight parts for aerospace applications, complex scaffolds for tissue engineering, and filters and catalysts for industrial chemical production.
 
The special inks contain mixes of ceramic or metal particles that fuse together when sufficiently heated. This part of the technique is very familiar, as it is how 3D metal printing is currently done. 
 
We’re wondering how this technology could become widespread, and we believe the challenge is in the software. While it is easy for any arbitrary 3D model to be sliced into Z-layers for printing, it’s quite another matter to compute the optimum folding pattern, particularly on a complex model. In the end it might be simpler to combine the two techniques together into a layered-folding device that takes advantage of both approaches. Models could be printed in layers, but portions could be folded to overcome support difficulties.  
 
Via Technology Review (Hat tip to Charlie)

By Kerry Stevenson

Kerry Stevenson, aka "General Fabb" has written over 8,000 stories on 3D printing at Fabbaloo since he launched the venture in 2007, with an intention to promote and grow the incredible technology of 3D printing across the world. So far, it seems to be working!

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