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September 22, 2009

Grid beams for Halloween props

Creatrope has posted an interesting discussion on the use of Phil Jergensen's reusable grid beam elements for Halloween props. I dunno how much I can get behind the whole gridbeamer thing just yet, but for seasonal stuff it does make a certain sense: If you like it a whole bunch, store it complete, and if you don't, take it apart and reuse the elements.

September 17, 2009

Working printed handcuff key

A German hacker named Ray has printed a working handcuff key, to the Dutch national pattern, on his RepRap. You can download the .STL file here. Not that we encourage that sort of thing. <SUBLIMINAL>Do it do it do it do it.</SUBLIMINAL> [via Boing Boing]

September 9, 2009

Drawdio videos!

Two great Drawdio videos from Ars Electronica Festival via leobard & Jay! Kit is available in the Maker Shed too!

September 5, 2009

Idle speculation on the shan zhai and open fabrication

Neat article by Tom Igoe... Idle speculation on the shan zhai and open fabrication...

Strategy & Business magazine has an interesting article on the shan zhai manufacturers in China at the moment. It’s the first business press article I’ve seen in the US that takes a relatively balanced approach to reporting on them. It’s worth a read, as it’s a trend that’s already affecting business, particularly the electronics business. It suggests a new approach to economic recovery as well, one based on small companies well-networked with each other.

I first learned about the shan zhai on a recent trip to Shenzen, China, hosted by PCH International and Bunnie Huang (Bunnie’s got a good blog post describing the shan zhai). The popular image of these companies in the US is that they’re producing cheap knockoff goods based on established multinationals, but there’s more to it than that, as S&B and Bunnie point out.

September 3, 2009

Pattern kits for Gingery machines?

So here's a random idea I had.

Most readers are probably familiar with Dave Gingery's series of books on building a set of homemade machine tools. The technique, basically, involves building an inexpensive homemade charcoal furnace and crucible for melting aluminum, then using traditional green-sand casting techniques to mold the various machine parts from wooden patterns. Much of the content of Gingery's books details the construction of these patterns.

As I have recently discovered, however, lost-foam casting is a much more accessible metal-casting technique than traditional green-sand. It requires no special flasks, no special sand, and no consideration of parting-line placement in designing patterns. Basically you make your pattern from styrofoam, bury it in sand, and pour hot aluminum into it. The foam vaporizes and diffuses into the sand, and you're left with a perfect aluminum duplicate. The only downside is that the pattern itself is destroyed, so if you screw up the casting or want more than one copy of a part you need a new pattern.

Here's what I'd like to see: Some enterprising soul with a CNC foam cutter could sell kits of the Gingery machine patterns ready-cut in XPS foam.

Then, if you wanted to build the Gingery tools, you wouldn't have to spend a lot of time learning the art of green-sand casting, or building the special tools required, or carpentering on the patterns themselves, most of which will only be used once anyway. You'd just buy a few ounces of pre-cut foam patterns in a kit, bury them in sand, and start pouring hot aluminum right away. Depending on sales volume, it might even be practical to make the foam patterns in conventional molds, the same way styrofoam packaging inserts are produced, at lower cost than CNC machining.

If you're interested, supportive, or (for your own unfathomable reasons) furious, feel free to sound off in the comments.

August 27, 2009

Why Free Software has poor usability, and how to improve it

Matthew Paul Thomas "Why Free Software has poor usability, and how to improve it".... Interesting article via Tom-

When I wrote the first version of this article six years ago, I called it “Why Free Software usability tends to suck”. The best open source applications and operating systems are more usable now than they were then. But this is largely from slow incremental improvements, and low-level competition between projects and distributors. Major problems with the design process itself remain largely unfixed.
Many of these problems are with volunteer software in general, not Free Software in particular. Hobbyist proprietary programs are often hard to use for many of the same reasons. But the easiest way of getting volunteers to contribute to a program is to make it open source. And while thousands of people are now employed in developing Free Software, most of its developers are volunteers. So it’s in Free Software that we see volunteer software’s usability problems most often.

That gives us a clue to our first two problems...

I hear this a lot, one example that a maker was struggling with the other day was Inkscape, folks love it but many complain about usability. It's a valuable tool for any maker, but many that I talk to end up using CorelDraw or Adobe Illustrator for their laser cut designs, etc.

August 26, 2009

Take advantage of open-source hardware

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Gerald Coley @ Texas Instruments for EDN has a great article about open source hardware. It's impressive to see TI jumping in with articles and supporting projects like the BeagleBoard...

Many designers are familiar with open-source software, such as Linux, in which the source code is available to all. However, fewer are familiar with organizations offering open-source hardware. These organizations release free information, including schematics, BOM (bill-of-materials) information, and PCB (printed-circuit-board)-layout data, covering the overall hardware design. Designers with this information can build or add to a freely available design. In many cases, open-source software supports the original design, providing additional advantages. Some aspects of open-source hardware go beyond the sharing of the design itself. These aspects can save time and money for not only hardware developers but also PCB designers and fabricators, contract manufacturers, and even software developers.

August 25, 2009

Monome's 64 (video) fingers

Modded from the 64 Fingers Monome sequencing software, Charlie Visnic's 64 (Video) Fingers, adds video manipulation to the popular controller's open-source arsenal - download here. [via Matrixsynth]

More:
Open-source grid controller - the monome

August 24, 2009

Open source hardware (Buglabs) at Accenture

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Short video about Accenture using open source hardware (Buglabs) to prototype ideas for clients... I'm not sure if there are folks at Accenture who read MAKE (I hope some do!) but if there are, perhaps you can post up in the comment and talk a bit more about this?

August 23, 2009

100k Garages

We keep hearing about all of these amazing devices and objects that other people are making with CNC tools like laser cutters, Shopbots, mills, and maybe you are feeling left out. You may be like the college student in the mid 1980's who didn't like completing papers on the typewriter and looking for a way to use the word processor. If today, you make a design for the part you need, how can you get it machined? You can leverage the power of 100 thousand garages.

You may be surprised to learn, that there are several thousand shops all over the world with tools for digital fabrication (sometimes called CNC tools) that can make exactly what you want (how can replicating parts be that easy?). There's probably even one near you. Some are regular businesses, some are part-timers, and some are small shops that have some spare production time: each has the capability to help you make all kinds of things. You know what a 'Copy Center' is for getting printed pages and projects made, 100kGarages is like a virtual 3D copy center for getting real parts and projects made.

Check out Bill Young's thoughts on the idea at 100k Garages.

August 21, 2009

Scalable open source computing platform

From David Ackley, Liquidware, and Illuminato Labs comes the Illuminato X Machina project -

It’s a small “motherboard cell” that can interchangeably link and connect up to other cells, either rightside up or upside down, to adaptively route packets and power to its neighbors, like a grid of biologic cells, passing nutrients and resources to their neighbors. Also, each board can program its neighbors using a dynamic bucket-passing bootloader that allows any given cell in the grid to over-ride or re-program neighbors.
[…]
Each cell runs a 72 MHz ARM processor with 56 digital I/O pins, and the ability to accept power from any one of its 4 edges. This means that the cellular grid can expand in any direction, and the reversible interconnections mean it can grow like a crystal in any orientation.

An exciting platform for physical computing - definitely be interesting to see how folks put it to use. Read more over @ Liquidware Antipaso.

July 28, 2009

"Tweetjects"? Noooooo....

In this BBC piece, an IBM engineer on the Isle of Wight, shows off the 16th century thatched cottage that he's wired with sensors and connected to Twitter. In the article that accompanies the video, he uses a term he's apparently coined for objects that tweet: "tweetjects."

I'm here to try and stage a lexicographical intervention. As the editor of Wired's Jargon Watch column for 12 years and as a computer and Internet terms consultant for the Oxford American Dictionary, I'm asking, no I'm begging, please don't call 'em "tweetjects!" "Blobjects" was bad enough, but at least it made a kind of ham-handed sense. Then we had "blogjects." I'm still trying to get that one out of my mouth. Now tweetjects? Sounds like a breakfast cereal that's too good to taste any good. The brilliant American lexicographer (and CRAFT magazine contributor) Erin McKean says that we vote with our usage. Please people, vote "No" on this tortured term.

The Tweeting House: Twitter + Internet of Things

July 14, 2009

"The Desktop Manufacturing Revolution"

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Interesting article over at Fast Company, The Desktop Manufacturing Revolution by Jamais Cascio - The end of the current production-manufacturing economic model may be on the horizon. But what if nothing's ready to replace it?

Clay Shirky recently described revolutions as situations in which "...the old stuff gets broken faster than the new stuff is put in its place." He was talking about newspapers, but the insight can apply much more broadly. Advertising, for example, seems to be going through its own revolution, with existing models falling to tatters without a clear successor waiting in the wings. Education is another example, and some would argue that a similar process is underway in the realm of international power and politics.
Shirky's observation came to mind while watching a recording of Bruce Sterling's closing keynote for the ReBoot conference last month. Late in the talk, Bruce tosses out this line: "Objects are print-outs." He goes on to discuss how to rethink one's relationship with material possessions in an increasingly precarious world, but the "objects are print-outs" line stuck with me. It encapsulates not just an attitude towards material possessions, but--in one pithy phrase--one possible shape of the next economy.

The article and the closing talk from Bruce Sterling are both worth a read/listen...

July 10, 2009

Automating homebrewing (now with Arduino!)

Open source suds, anyone?

Halfluck Automated Brewing System (HABS)

July 9, 2009

Peter Semmelhack, of Bug Labs, on "Hacking Health"

Peter Semmelhack, Founder and CEO of Bug Labs, sent us the following piece on creating an open source movement in health care technology. We thought it was interesting and something MAKE readers might want to chew over and chime in on. - Gareth

This is my first attempt at putting into words what I've been contemplating for several weeks, so you'll have to forgive me if it seems a bit rough around the edges. But I've learned that when an idea bangs around in my head long enough, it's usually a good idea to share it with others and either start a larger discussion or euthanize it. So here it is. Tell me what you think.

I believe we need an open source movement dedicated to health care. In essence, I want to rally the same fanatical zeal that has helped build some of the best, most complex software systems (LAMP, etc) ever devised to help address some of the world's thorniest health care problems. I understand that's a very easy thing to say and enormously complicated to actually do, but I'll try to provide a simple example of how I think we could start. After all, open source as we know it today did not start with Linux.

Right now, if you have someone in your life with Type 1 diabetes, I bet it's safe to say that you'd want notification (email, txt msg, IM, etc.) if he or she experienced a life threatening low or high blood sugar level. You'd especially want to know if they experienced one of these events and then fell down. It's also a safe bet that you know getting this type of alert is virtually impossible today. There isn't a device or gadget you can go buy that provides it. Building a wireless glucometer with an integrated accelerometer would not be too hard technically. In fact, I know a few people who could hack it together in a week.

The same could be said about a device that helps monitor the breathing of kids with juvenile asthma, or the whereabouts of someone suffering from Alzheimer's. I could go on, but you get the point. There are hundreds, if not thousands, of specific (and specifically precise) tools that could be developed to help everyone lead healthier lives, and help communities take care of one another. If you look at all the active communities devoted to open source software - games, music, programming languages, etc. - I'd like to hope that it's not too far a stretch to believe we can inspire the same energy and passion around improving the health and well-being of others. Think of the benefits associated with groups worldwide sharing their discoveries, methods and processes to achieve better results. This is not new territory. It happens everyday right now with FOSS communities.

One of the biggest hurtles is economics. Building these types of systems are expensive. But maybe there is a way address it. There are approximately 1M children suffering from juvenile diabetes in the US (29,000 new occurrences each year). If the community could design, build, and certify an open source prototype device that could potentially reduce mortality by even 5% per year, you would have a huge impact. Potentially, the Juvenile Diabetes Research Foundationa (JDRF) could sponsor its manufacture and sell it/give it to any/all sufferers. Assuming a reasonable price for making 1M devices (say $90 --> $90M to equip every child with a device, though, of course that wouldn't be necessary) it would be within easy reach of any number of foundations and/or government programs. Or sell it at a profit with the proceeds going back to JDRF. Communities have worked this way in the past. Why not apply it here?

This is just one example. I'm sure there are better ones. But the point is, you could make the same case for virtually any health issue. The key to living longer, healthier lives, and lowering the costs of providing care is via better information. Getting better information is what good tools are designed to do. I'm arguing that we should explode the creation of these tools. But rather than rely solely on the world of business to lead the charge, why not organize and energize communities of hackers to create the technical foundations for a health care revolution unlike anything we've seen before? It can't be any more complicated than hacking a Linux kernel ;)

P.S. For a list of some of the activity going on now around health care and open source, check here

July 6, 2009

Open-source 'PSP'

Justin Huynh sent in this:

At Maker Faire a couple weeks ago, Matt and I showed off the Open Source Gameboy and OpenBerry, and in the tradition of hacking together arduino versions of cool handheld gadgets, Matt put together the Open Source PSP with two player ping-pong on it. It's got two inputshields and a touchshield slide, sitting on a triplewide extender which is all hooked up to the arduino. Here's a link to the blog and youtube.

July 1, 2009

Sparkfun open-sources hardware kits

Our friends over at Sparkfun have announced their decision to officially make some of their kits open source. Nathan and company have always been supporters of OSH, but now they're going to be putting links to the engineering files up to at least some of their kits. The first is the ClockIt kit, an alarm clock kit built around the ATMega168. The listing for the kit ends with links to the Eagle files (licensed under CC v3.0 Share-Alike), the schematic, the source code, and a link to an "Improve Source Code" forum posting. Nice. "One of the great things about open source is the ability to say 'Hey, I'm pretty sure this works, but it may not be the best way to do it. Can you help me out?,'" says Nathan Seidle.

ClockIt

New version of NETLab released

The New Ecology of Things Lab at Art Center's graduate Media Design Program has released a new version of their NETLab Toolkit. This is a system for more easily connecting microcontrollers to computers, especially targeted at those who may be new to hardware and programming. In this video, Professor Philip van Allen of the Media Design Program shows how you can use NETLab to easily connect a a sensor to an Arduino and to Flash on a desktop machine.

Here's the basic product description:

The NETLab Toolkit is a free set of software tools that enable designers to easily "sketch in hardware". With no programming at all and working in the familiar environment of Flash (or Processing or MAX/MSP), designers can hook up a physical sensor (e.g. a knob) and immediately get that knob to control a motor or a video projection. The toolkit works with a wide range of sensors, wireless sensors, input from the Wii Remote, controls motors and LEDs, communicates with MIDI devices, controls sound, graphics, and video in Flash, and communicates with DMX computer controlled lighting equipment, all with a simple drag-and-drop interface (of course, programming hooks are provided as well).

NETLab Toolkit

June 28, 2009

AIDG: water solutions

AIDG is a NonGovernmental Organization (NGO) that helps provide low technology solutions to help address environmental and health needs to people living in communities without great access to the systems that many of us consider requirements.

Here are a few of their water-based initiatives:

Solar Hot Water:

XelaTeco, with support from AIDG's wonderful interns, recently installed a solar water heating system and water tower for La Guarderia, a childcare center in Llanos del Pinal, Guatemala. La Guarderia was started by two non-profit organizations, Pop Wuj and Jóvenes Juntos, who saw the need for daycare and after school homework assistance in a community plagued by poverty, domestic violence and alcoholism.
Jóvenes Juntos requested the hot water system to promote healthy hygiene practices amongst the children served by center, particularly in the cold winter months. The presence of hot water is expected to reduce the occurrence of skin ailments, such as scabies and other rashes. This segment of the project was funded by AIDG.

Ram Pump:

As the water runs downhill from the source to the ram pump, it gains force and velocity. When this velocity reaches a determined point, the water closes a valve in the ram pump known as the "impulse" or "waste" valve. The force of the water against the now closed impulse valve causes pressure to build inside the pump. The water sends high-pressure shock waves in all directions (the "water hammer," or "ariete" in Spanish, from which the pump gets its Spanish name, "Bomba de Ariete"). These shock waves open another valve, the delivery check valve, and water squirts through reaching altitudes of up to ten times greater than the vertical distance from the water's source to the pump. An air vessel installed in the pump acts as a kind of regulator which keeps the flow at the top steady, instead of delivered in bursts, as the pump internally functions

Sand Filtration:

Properly managed sand filters remove 96%-98% of water borne pathogens such as E. Coli and Giardia, producing a positive significant impact on the health of target users. The greatest effect is expected for young children, who are extremely susceptible to diarrheal diseases caused by exposure to contaminated water. Diarrheal disease causes approximately 2 million deaths per year among children in developing countries.

The World Health Organization has some good documentation on sand filtration technology.

To find out more about AIDG, check out their blog and their photos.

June 15, 2009

MakerBot raffle results fixed announced

Providence's AS220 Labs just released the results of their recent MakerBot raffle. The lucky winner is our very own inimitable and irreplaceable Becky Stern. Grats, Becky!

More: