Self Folding Origami From A 3D Printer

If you’ve done much 3D printing, you probably curse how plastic warps as it cools down and heats. There’s nothing more upsetting than watching a six hour print start curling off the bed and starting its inexorable march to the trash can. However, researchers at Carnegie Mellon have found a way to harness that tendency to warp with heat to make self-folding structures like those seen in the video below. There’s a paper about how it works available, too.

The Thermorph process uses commercially-available 3D printers, but requires special software. You might wonder why you would want to fold, say, a rose, when you could just print it as a fully-formed 3D model. The paper suggests that printing self-folding structures is faster and can save up to 87% on print times for the right models.

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