Circuit Board Origami Puts You Face-to-Face With Low-Poly Electronics

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Paper craft has been around almost as long as paper itself. It’s fun to mimic paper craft and origami with low-poly 3D prints, and [Stephen Hawes] wondered whether it could be done with copper-clad PCBs. Two years after the question arose, we have the answer in the form of a fantastical mask with light-up eyes. Check it out in the video below.

[Stephen] started with a model from the papercraft program Pepakura Designer, then milled out dozens of boards. Only a few of them support circuitry, but it was still quite the time-consuming process. The ATMega32u4 on the forehead along with the fold-traversing circuitry serve to light up the WS2812B eyes. Power runs up the copper tube, which doubles as a handy mounting rod to connect to the 3D-printed base.

To be fair, eighteen months out of the two years this project took was spent hand-sanding a chamfer on every edge of every panel so that they could be glued together. Soldering the edges together didn’t work as well as you might think, so [Stephen] used Superglue mixed with baking soda to give it body and make it dry faster. The result is a low-poly human face of shiny copper with TQFP-44 chip package a the all-seeing eye in the middle of its forehead like something from Tron come to life.

Just a reminder — we have a circuit sculpture contest running now until Tuesday, November 10, 2020 at 12:00 pm PST. We’d love to see what you can do, whether it’s in brass rod, copper clad, or a combination of the two. Take a look at the submissions we’ve received so far, and then show us what you’ve got.

Thanks to [Sophi] and [BaldPower] for the tip!

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