Goodbye 3D Printing, Hello 4D Printing

Many people I talk to at events and workshops are only just catching on to this whole 3D printing thing, but did you know some of the exciting research in this field has already moved on to the next dimension – literally?

4D printing might sound a bit weird and wacky, but it basically just means something that has been 3D printed, but changes its shape afterwards since time is the fourth dimension. So a 3D print that changes over time. Skylar Tibbits from MIT is really one of the pioneers of such a concept, so if you want to wrap your head around the concept this link to his Self-Assembly Lab at MIT will have some more videos to explain what it means. Having spent some time lately writing about 4D printing for part of my PhD, I thought it was time to give it a go, taking inspiration from the Active Shoes created by the Self-Assembly Lab.

As you can see from my very rough video, it’s actually quite easy to do. All I did was create a few concentric circles in CAD with a 0.2mm thickness so that they would print only 1 layer thick on my Cocoon Create 3D printer. I then stretched some material (from an old pair of stockings – not mine I swear!) over the base plate and held it in place with clips. A slight adjustment to the height of the base plate to make room for this material and 1 minute later it was done.

20160628_4D Print

The result is really cool (I think) for something that only took 1 minute to print. It’s certainly not perfect, but shows a lot of opportunity for the future of fashion design. If you wanted to only use 3D printing to create this shape it would easily take 20 minutes or more on a standard FDM printer, so I think some more experimentation is required.

– Posted by James Novak

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