Flying ready-made quadcopters is fun. Eventually, though, most hackers get the urge to build their own. One of the most challenging parts is building a robust airframe. [Thomas Jarrett] has an ...

If your backpack's external frame died years ago or if you found a cheap ALICE pack on Craigslist without a frame, you can easily make one with around $3 worth of PVC piping and fittings. The only ...

All it takes is a few PVC pipes, a drop cloth, and some basic tools to make this movie screen. Start popping the popcorn now, because you'll be done building it in no time. Follow these steps to ...