Flying Human Head Lands Just in Time for Halloween

We love the fall here at Hackaday. The nights are cooler, the leaves are changing, and our tip line starts lighting up with some of the craziest things we’ve ever seen. Something about terrifying children of all ages just really speaks to the hacker mindset. That sounds bad, but we’re sure there’s a positive message in there someplace if you care to look hard enough.

Today’s abomination is a truly horrifying human head quadcopter, which exists for literally no other reason than to freak people out. We love it. Created by [Josh] and a few friends, the “HeadOCopter” is built around a meticulously detailed 3D print of his own head. This thing is so purpose-built that they didn’t even put landing gear on it: there’s no point sitting on the ground when you’re in the business of terrorizing people from above.

Sure, you could do this project with a cheap plastic skull. But there’s no way it would have the same effect. [Josh] created this monstrosity by scanning his own head with the Microsoft Kinect, cleaning the model up in ZBrush, adding in mounts for hardware, and 3D printing the result. After doing some smoothing and filling, the head got passed off to artist [Lisa Svingos] for the final painting. He even thought to include an FPV camera where one of his eyes should be, giving a whole new meaning to the term.

As for the quadcopter hardware itself, it uses a BrainFPV RADIX flight controller (get it?) and 12×5 props on Sunnysky V3508 motors with 30A BLHELI ESCs. Measuring 1 meter (3.2 feet) from motor to motor, it’s an impressive piece of hardware itself; head or no head.

This project reminds us of the flying ghost we saw years back, but we have to admit, this raises the bar pretty high. We’re almost afraid to see what comes next.

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3D Popup Cards from 3D Photos

The world of 3D printing is growing rapidly. Some might say it’s growing layer by layer. But there was one aspect that [Ken] wanted to improve upon, and that was in the area of 3D photos. Specifically, printing a 3D pop-up-style photograph that collapses to save space so you can easily carry it around.

It’s been possible to take 3D scans of objects and render a 3D print for a while now, but [Ken] wanted something a little more portable. His 3D pop-up photographs are similar to pop-up books for children, in that when the page is unfolded a three-dimensional shape distances itself from the background.

The process works by taking a normal 3D photo. With the help of some software, sets of points that are equidistant from the camera are grouped into layers. From there, they can be printed in the old 2-dimensional fashion and then connected to achieve the 3D effect. Using a Kinect or similar device would allow for any number of layers and ways of using this method. So we’re throwing down the gauntlet — we want to see an arms-race of pop-up photographs. Who will be the one to have the most layers, and who will find a photograph subject that makes the most sense in this medium? Remember how cool those vector-cut topographical maps were? There must be a similarly impressive application for this!

[Ken] isn’t a stranger around these parts. He was previously featured for his unique weather display and his semi-real-life Mario Kart, so be sure to check those out as well.