Fresh hacks every day
Back in the 1980's there was a movie cliché that the person with the largest boombox on their shoulder was always the coolest. It's obvious to us that [Tim Gremalm] thinks that's silly. Why be uncomfortable carrying something like that on your shoulder when you can strap a much larger object to your back? He's working on a mammoth speaker enclosure which can be carried around, but he needed a set … [Read more...]
[taulman] over on Instructables has been working on his own version of a 3D printer. Unlike the usual PLA or ABS filament all the RepRaps and Makerbots use, this printer uses nylon to make parts with very interesting properties. Most extrusion printers are designed to print with ABS (a very hard plastic that melts around 220-230° C) or PLA (a somewhat softer plastic that melts at about 180° … [Read more...]
It's not roses or jewelry, but we hope [Erik]'s light-up USB heart will be appreciated by his significant other. When the two heart pieces come in contact with each other, each side lights up. [Erik] started his build by cutting two half-heart shaped pieces out of polycarbonate. After drilling a few holes for LEDs and wires, magnets and reed switches were installed along the 'broken' side of … [Read more...]
Those of us with 3D printers have had two major choices when selecting a material to print with - ABS, a very hard plastic, and PLA, a more brittle plastic with a lower melting point. [Alex] and [Luke] have been experimenting with printing polycarbonate and creating clear crystalline objects on a standard 3D printer. The first foray into printing polycarbonate didn't go so well for [Luke]. … [Read more...]
[Rich] couldn't find any instances where RepRap owners had used polycarbonate as a 3D printing source material. He's filled that knowledge gap by running multiple polycarbonate printing tests. Polycarbonate is a plastic that is highly resistant to shattering yet it's still rather soft. With enough effort it can be bent and stretched, but it's fairly difficult to break the material. The test … [Read more...]
Here's a Blade Runner umbrella build that is done just a little bit too right. It delivers a double-dose of geekery with its lightsaber-gone-rain-protector look but where we think it crosses the line is at the built-in audio system. When you turn it on it plays recordings of popular lines from Blade Runner, something that might not fly in public. But the quality is in a different galaxy compared … [Read more...]
[Amnon] is learning the hard way that water and electronics don't always like to play nicely together. He's been working on creating a swimming fish that uses three servos to flex a sheet of fish-shaped polycarbonate. This photo doesn't really do the project justice but you can get a better idea of what he's accomplished by watching the videos after the break. The three servos along with some … [Read more...]
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