LEGO as a viable design material? YouTuber uses 2000 LEGO bricks to build a functioning bass guitar…





It would be an unfair characterization to call LEGO a child’s toy. Clearly, the product’s an incredibly engaging and interactive DIY system for adults too, and has been used for everything from scale-down models to art projects, to even the rare full-size LEGO supercar… but rarely has LEGO been used as an actual material to build a real, working product.

Trust wacky DIY YouTuber and musician Burls Art to take on a challenge though. The guy’s literally made guitars from the most absurd materials, including a skateboard, a shovel, and even 5000 coffee beans. His latest project? A bass guitar out of LEGO bricks… wait, let me be more specific, a fully functional electric bass guitar made from 2000 LEGO bricks.

Designer: Burls Art

In the video, Burls Art details how LEGO is a pretty great choice to make the guitar in the first place. The interlocking pieces are pretty robust and the fact that you’ve got LEGO bricks in different colors makes it pretty easy to design your own pattern on the guitar. To assemble the piece, Burls plugs the LEGO pieces together in sheets, before layering them one above another and pouring epoxy resin to really seal them in place (the last thing you want is to have a guitar falling apart when you play an exceptionally funky slapping bassline). The guitar also uses a maple-wood board on the inside to reinforce it like a spine, to counter the amount of pulling force the strings will have. The wood + epoxy fretboard’s made from scratch too, as well as the headstock, which again uses LEGO bricks.

Once the guitar’s main body is assembled and the epoxy’s set, Burls drew the profile of the guitar on it and went to down using a sanding machine to cut the shape out. Unfortunately, this meant that the guitar wouldn’t have the LEGO brick’s signature pixelated silhouette, but then again, that guitar wouldn’t really be comfortable to play either. You can, however, see the brick’s hollow underside along the edge of the guitar. Burls decided not to fill in those uneven gaps with epoxy because it would unnecessarily add to the weight of the instrument. The overall piece weighed around 7 pounds, which was ideal for an electric bass guitar.

Once assembled, Burls took his new instrument out for a spin. He started off by playing the iconic Seinfeld bassline (at the 10:18 mark), before finally creating a neat composition using a combination of his LEGO bass, and his color-pencil guitar.

The novelty of the project aside, it’s rather fun to see how the LEGO bricks are used as an actual design/prototyping tool. With a little epoxy resin and a sander machine, it’s pretty easy to create your own prototypes too. It’s arguably faster than a 3D printer if you do your homework beforehand, and you don’t need to worry about multiple-filament 3D prints to get a colored output… just use colored bricks!

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Adafruit’s Pi Cobbler breakout kit puts Raspberry Pi’s pins to work

Adafruit's Pi Cobbler breakout kit puts Raspberry Pi's pins to work

Leave it to Adafruit to really help a product deliver on its DIY promise. Those pins on the Raspberry Pi taunted us from the moment we laid our hands on it, and not just cause we weren't sure what to do with them. The board's makers didn't exactly make playing with them easy. Actually, prototyping a project with a Pi embedded seemed like a logistical nightmare destined to become a mess of wires. The Pi Cobbler solves that problem with a ribbon cable, some header pins and a custom PCB. The kit lets you easily run those 26 I/O pins to solderless breadboard... after you've soldered together the Cobbler, of course. The whole, unassembled package will set you back just $7.95, which sounds like a pretty sweet deal to us. Especially since each pin is nice and clearly labeled. Hit up the source link to order yours.

Adafruit's Pi Cobbler breakout kit puts Raspberry Pi's pins to work originally appeared on Engadget on Mon, 02 Jul 2012 23:36:00 EDT. Please see our terms for use of feeds.

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Adafruit wants to help you hack your Raspberry Pi

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So you shelled out a cool $25 to get your hands on the Raspberry Pi -- and, after some hiccups, the thing actually shipped. Now what? Adafruit's got your back. The DIY-friendly company announced that it's getting ready to release its Prototyping Pi Plate Kit, which will help you leverage the little Linux box for some of those home-baked embedded computer projects you're itching to start. Nothing yet in the way of pricing or availability for the product -- not until Adafruit's done testing it on shipping Raspberry Pi units. In the meantime, you can always add it to your hacking wish list by clicking the source link below.

Adafruit wants to help you hack your Raspberry Pi originally appeared on Engadget on Thu, 26 Apr 2012 14:55:00 EDT. Please see our terms for use of feeds.

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Self-sculpting ‘smart sand’ can assume any shape, create instant prototypes (video)

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A new algorithm developed by the Distributed Robotics Laboratory at MIT's Computer Science could lead to an exciting fast prototyping tool, being dubbed "smart sand." Immerse an object in the sand, tiny cubes that send simple proximity messages to each other, which relay through the swarm and determine which blocks are adjacent to the object to be modeled, and those that aren't. Using this data, it's possible to create a map of the subject to be replicated. Initial tests were performed using 2D models, but has also been shown to work reliably with 3D shapes also. While true smart sand would need "grains" much smaller than currently possible, it's said that this isn't an "insurmountable obstacle." The paper will be presented at the IEEE conference in May, or keep going past the break for the explanatory video.

Continue reading Self-sculpting 'smart sand' can assume any shape, create instant prototypes (video)

Self-sculpting 'smart sand' can assume any shape, create instant prototypes (video) originally appeared on Engadget on Wed, 04 Apr 2012 13:28:00 EDT. Please see our terms for use of feeds.

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