Handheld Propulsion Is Noisy, Awesome
Lithium batteries are ubiquitous, cheap, and incredibly powerful. Combine them with some brushless DC motors and you’ve got serious power in a compact package. [Ivan Miranda] decided to use this to his...
View Article3D Print a Thinner Car Key
Almost all modern cars come with keyless entry, some even come with keyless start. Of course, the price you pay for this technology is a bulky plastic keyfob that is an absolute pain to remove from...
View ArticleCan You 3D Print an Axe?
3D printers hit the scene in a big way in the last decade, and thanks to the constant improvements that we’ve seen since then you can now get a decent one, assembled or as a kit, for a reasonable...
View Article3D-Printer Gets Hot-Swappable Hot-Ends
3D printers can be hacked into a multitude of useful machines, simply by replacing the filament extruder with a new attachment such as a laser engraver or plotter. However, [geggo] was fed up with...
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Resuming Failed 3D Prints Automatically
What happens to your 3D printer if the power goes out? What happens if there’s a jam in the nozzle? What happens if your filament breaks, runs out, or turns into a plate of spaghetti? For all these...
View ArticleParametric Hinges with Tinkercad
Simple tools are great, but sometimes it is most convenient to just use something easy, and since it gets the work done, you don’t try out some of the other features. Tinkercad is a great example of...
View ArticleSmooth PLA Through the Fire and Flames
3D printing makes it easy to produce complex geometries, but the fused deposition methods generally create parts with poor surface finish, largely due to the layers being highly visible in the finished...
View Article3D Printed Tank Scores Suspension
Tanks are highly capable vehicles, with their tracks giving them the ability to traverse all manner of terrain at speed. An important part of a tank is its suspension setup, without which its treads...
View Article3D Printed Bicycle Tire Not Full of Hot Air
To show off its new TPU filament called PRO FLEX, BigRep GmbH posted a video showing a 3D printed bike tire that uses a flexible plastic structure instead of air. The video shows them driving the bike...
View Article3D Printing Air Quality Study
You’ll often hear about some study in the media and then — on examination — find it doesn’t really apply to your situation. Sure, substance X causes cancer in rats, but they ate 8 pounds of it a day...
View ArticleThe Tantillus, Reborn
In the beginning, around 2011 or thereabouts, there was an infinite variety of designs available for anyone to build their own 3D printer. There were Mendels, some weirdos were actually trying to build...
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Makerbot Printer Reborn As PCB Engraver
Makerbot 3D printers were among the first to hit the market, so it makes sense that old and broken ones now litter the shelves of hackerspaces and home workshops alike. Rather than throw his one out,...
View Article3D Printed Tourniquets are Not a Cinch
Saying that something is a cinch is a way of saying that it is easy. Modeling a thin handle with a hole through the middle seems like it would be a simple task accomplishable in a single afternoon and...
View ArticleGyrotourbillion Blesses The Eyes, Hard to Say
Clock movements are beautifully complex things. Made up of gears and springs, they’re designed to tick away and keep accurate time. Unfortunately, due to the vagaries of the universe, various sources...
View ArticleEasy-Peelzy Makes 3D Prints Stick And Not Stick
We have a friend who has always been obsessed that he didn’t invent the Weed Eater. After all, it is just some fishing line and a motor. We might feel the same way about Easy-Peelzy, which [Maker’s...
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Putting More Tech Into More Hands: The Robin Hoods of Hackaday Prize
Many different projects started with the same thought: “That’s really expensive… I wonder if I could build my own for less.” Success is rewarded with satisfaction on top of the money saved, but true...
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3D Printer Guardian Watches for Worst-case Failures
Some devices have one job to do, but that job can have many facets. To [jmcservv], an example of this is the job of protecting against worst-case failures in a 3D printer, and it led him to develop the...
View ArticleScratch-Built 3D-Printer Goes Back to the Roots of the Hobby
It’s so easy and so cheap to order things like CNC routers and 3D-printers off the shelf that we can be forgiven for forgetting what was once involved in owning machines such as these. It used to be...
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Maker Faire NY: Infinite Autonomous 3D Printing
Although it’s not an idea that has yet trickled down to $200 printers drop-shipped from China, one of the most innovative ideas in the 3D printing world in the last few years is putting plastic down on...
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Maker Faire NY: Cocoa Press Chocolate Printer
If you haven’t figured it out by now, the hype over desktop filament printers is pretty much over. But that doesn’t mean there aren’t new avenues worth exploring that use the basic FDM printer...
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